1042253553 has 16 divisors (see below), whose sum is σ = 1526918400. Its totient is φ = 627121680.

The previous prime is 1042253549. The next prime is 1042253587. The reversal of 1042253553 is 3553522401.

It is not a de Polignac number, because 1042253553 - 2² = 1042253549 is a prime.

It is a super-2 number, since 2×1042253553² = 2172584937482247618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042253553.

It is not an unprimeable number, because it can be changed into a prime (1042253593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109023 + ... + 118196.

It is an arithmetic number, because the mean of its divisors is an integer number (95432400).

Almost surely, 2^1042253553 is an apocalyptic number.

It is an amenable number.

1042253553 is a deficient number, since it is larger than the sum of its proper divisors (484664847).

1042253553 is a wasteful number, since it uses less digits than its factorization.

1042253553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227372.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1042253553 is about 32283.9519421028. The cubic root of 1042253553 is about 1013.8906734522.

Adding to 1042253553 its reverse (3553522401), we get a palindrome (4595775954).

The spelling of 1042253553 in words is "one billion, forty-two million, two hundred fifty-three thousand, five hundred fifty-three".