715401231 has 4 divisors (see below), whose sum is σ = 953868312. Its totient is φ = 476934152.

The previous prime is 715401221. The next prime is 715401263. The reversal of 715401231 is 132104517.

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 715401231 - 2²² = 711206927 is a prime.

It is a super-2 number, since 2×715401231² = 1023597842632630722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715401221) 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, 119233536 + ... + 119233541.

It is an arithmetic number, because the mean of its divisors is an integer number (238467078).

Almost surely, 2^715401231 is an apocalyptic number.

715401231 is a deficient number, since it is larger than the sum of its proper divisors (238467081).

715401231 is a wasteful number, since it uses less digits than its factorization.

715401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238467080.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 715401231 is about 26746.9854563089. The cubic root of 715401231 is about 894.3686364167.

Adding to 715401231 its reverse (132104517), we get a palindrome (847505748).

It can be divided in two parts, 71540 and 1231, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 715401231 in words is "seven hundred fifteen million, four hundred one thousand, two hundred thirty-one".