1052423450 has 24 divisors (see below), whose sum is σ = 2108086428. Its totient is φ = 388586880.

The previous prime is 1052423441. The next prime is 1052423453. The reversal of 1052423450 is 543242501.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 85026841 + 967396609 = 9221^2 + 31103^2 .

It is a super-2 number, since 2×1052423450² = 2215190236219805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1052423453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 808907 + ... + 810206.

Almost surely, 2^1052423450 is an apocalyptic number.

1052423450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052423450 is an abundant number, since it is smaller than the sum of its proper divisors (1055662978).

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

1052423450 is a wasteful number, since it uses less digits than its factorization.

1052423450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619138 (or 1619133 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1052423450 is about 32441.0765850950. The cubic root of 1052423450 is about 1017.1777197123.

Adding to 1052423450 its reverse (543242501), we get a palindrome (1595665951).

The spelling of 1052423450 in words is "one billion, fifty-two million, four hundred twenty-three thousand, four hundred fifty".