1053421252 has 96 divisors (see below), whose sum is σ = 2212987392. Its totient is φ = 433821696.

The previous prime is 1053421247. The next prime is 1053421283. The reversal of 1053421252 is 2521243501.

It is a super-2 number, since 2×1053421252² = 2219392668330495008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4005273 + ... + 4005535.

It is an arithmetic number, because the mean of its divisors is an integer number (23051952).

Almost surely, 2^1053421252 is an apocalyptic number.

It is an amenable number.

1053421252 is an abundant number, since it is smaller than the sum of its proper divisors (1159566140).

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

1053421252 is a wasteful number, since it uses less digits than its factorization.

1053421252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1053421252 is about 32456.4516236757. The cubic root of 1053421252 is about 1017.4990800218.

Adding to 1053421252 its reverse (2521243501), we get a palindrome (3574664753).

The spelling of 1053421252 in words is "one billion, fifty-three million, four hundred twenty-one thousand, two hundred fifty-two".