1042525531 has 4 divisors (see below), whose sum is σ = 1087852752. Its totient is φ = 997198312.

The previous prime is 1042525513. The next prime is 1042525541. The reversal of 1042525531 is 1355252401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1042525531 - 2⁵ = 1042525499 is a prime.

It is a super-2 number, since 2×1042525531² = 2173718965573663922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042525531.

It is not an unprimeable number, because it can be changed into a prime (1042525541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22663576 + ... + 22663621.

It is an arithmetic number, because the mean of its divisors is an integer number (271963188).

Almost surely, 2^1042525531 is an apocalyptic number.

1042525531 is a deficient number, since it is larger than the sum of its proper divisors (45327221).

1042525531 is an equidigital number, since it uses as much as digits as its factorization.

1042525531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45327220.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1042525531 is about 32288.1639459416. The cubic root of 1042525531 is about 1013.9788579999.

Adding to 1042525531 its reverse (1355252401), we get a palindrome (2397777932).

The spelling of 1042525531 in words is "one billion, forty-two million, five hundred twenty-five thousand, five hundred thirty-one".