315406551 has 8 divisors (see below), whose sum is σ = 428477040. Its totient is φ = 206303552.

The previous prime is 315406499. The next prime is 315406571. The reversal of 315406551 is 155604513.

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-315406551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315406571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991686 + ... + 992003.

It is an arithmetic number, because the mean of its divisors is an integer number (53559630).

Almost surely, 2^315406551 is an apocalyptic number.

315406551 is a deficient number, since it is larger than the sum of its proper divisors (113070489).

315406551 is a wasteful number, since it uses less digits than its factorization.

315406551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983745.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 315406551 is about 17759.6889330866. The cubic root of 315406551 is about 680.7018064363.

The spelling of 315406551 in words is "three hundred fifteen million, four hundred six thousand, five hundred fifty-one".