264906431 has 4 divisors (see below), whose sum is σ = 265011264. Its totient is φ = 264801600.

The previous prime is 264906419. The next prime is 264906443. The reversal of 264906431 is 134609462.

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

It is an interprime number because it is at equal distance from previous prime (264906419) and next prime (264906443).

It is a cyclic number.

It is not a de Polignac number, because 264906431 - 2¹⁴ = 264890047 is a prime.

It is a super-2 number, since 2×264906431² = 140350834370315522, 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 = 264906391 and 264906400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264906451) 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, 48530 + ... + 53711.

It is an arithmetic number, because the mean of its divisors is an integer number (66252816).

Almost surely, 2^264906431 is an apocalyptic number.

264906431 is a deficient number, since it is larger than the sum of its proper divisors (104833).

264906431 is a wasteful number, since it uses less digits than its factorization.

264906431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104832.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 264906431 is about 16275.9463933745. The cubic root of 264906431 is about 642.2402214036.

The spelling of 264906431 in words is "two hundred sixty-four million, nine hundred six thousand, four hundred thirty-one".