1052265492 has 120 divisors (see below), whose sum is σ = 2846916072. Its totient is φ = 338688000.

The previous prime is 1052265463. The next prime is 1052265509. The reversal of 1052265492 is 2945622501.

1052265492 is a `hidden beast` number, since 105 + 2 + 2 + 6 + 549 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 171396 + 1052094096 = 414^2 + 32436^2 .

It is a super-2 number, since 2×1052265492² = 2214525331308004128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1500742 + ... + 1501442.

Almost surely, 2^1052265492 is an apocalyptic number.

1052265492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1052265492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423458036).

1052265492 is an abundant number, since it is smaller than the sum of its proper divisors (1794650580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052265492 is a wasteful number, since it uses less digits than its factorization.

1052265492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1052265492 is about 32438.6419567774. The cubic root of 1052265492 is about 1017.1268278407.

Adding to 1052265492 its reverse (2945622501), we get a palindrome (3997887993).

The spelling of 1052265492 in words is "one billion, fifty-two million, two hundred sixty-five thousand, four hundred ninety-two".