525330431 has 4 divisors (see below), whose sum is σ = 526917864. Its totient is φ = 523743000.

The previous prime is 525330427. The next prime is 525330457. The reversal of 525330431 is 134033525.

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 525330431 - 2² = 525330427 is a prime.

It is a super-2 number, since 2×525330431² = 551944123469291522, 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 525330431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525330461) 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, 793220 + ... + 793881.

It is an arithmetic number, because the mean of its divisors is an integer number (131729466).

Almost surely, 2^525330431 is an apocalyptic number.

525330431 is a deficient number, since it is larger than the sum of its proper divisors (1587433).

525330431 is a wasteful number, since it uses less digits than its factorization.

525330431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587432.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 525330431 is about 22920.0879361315. The cubic root of 525330431 is about 806.8835341333.

Adding to 525330431 its reverse (134033525), we get a palindrome (659363956).

The spelling of 525330431 in words is "five hundred twenty-five million, three hundred thirty thousand, four hundred thirty-one".