526253431 has 8 divisors (see below), whose sum is σ = 604310400. Its totient is φ = 453232440.

The previous prime is 526253339. The next prime is 526253447. The reversal of 526253431 is 134352625.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-526253431 is a prime.

It is a super-2 number, since 2×526253431² = 553885347278543522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 526253393 and 526253402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526256431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258771 + ... + 1259188.

It is an arithmetic number, because the mean of its divisors is an integer number (75538800).

Almost surely, 2^526253431 is an apocalyptic number.

526253431 is a deficient number, since it is larger than the sum of its proper divisors (78056969).

526253431 is a wasteful number, since it uses less digits than its factorization.

526253431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517989.

The product of its digits is 21600, while the sum is 31.

The square root of 526253431 is about 22940.2142753724. The cubic root of 526253431 is about 807.3558195805.

The spelling of 526253431 in words is "five hundred twenty-six million, two hundred fifty-three thousand, four hundred thirty-one".