1052253400 has 96 divisors (see below), whose sum is σ = 2761095600. Its totient is φ = 369420800.

The previous prime is 1052253379. The next prime is 1052253431. The reversal of 1052253400 is 43522501.

It is a super-2 number, since 2×1052253400² = 2214474435623120000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55554 + ... + 72046.

Almost surely, 2^1052253400 is an apocalyptic number.

1052253400 is a gapful number since it is divisible by the number (10) 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 1052253400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380547800).

1052253400 is an abundant number, since it is smaller than the sum of its proper divisors (1708842200).

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

1052253400 is a wasteful number, since it uses less digits than its factorization.

1052253400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16549 (or 16540 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1052253400 is about 32438.4555735935. The cubic root of 1052253400 is about 1017.1229317566.

Adding to 1052253400 its reverse (43522501), we get a palindrome (1095775901).

It can be divided in two parts, 1052 and 253400, that added together give a palindrome (254452).

The spelling of 1052253400 in words is "one billion, fifty-two million, two hundred fifty-three thousand, four hundred".