315520451 has 8 divisors (see below), whose sum is σ = 319188480. Its totient is φ = 311871168.

The previous prime is 315520427. The next prime is 315520477. The reversal of 315520451 is 154025513.

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

It is a cyclic number.

It is not a de Polignac number, because 315520451 - 2¹⁰ = 315519427 is a prime.

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 315520451.

It is not an unprimeable number, because it can be changed into a prime (315520411) 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, 30695 + ... + 39663.

It is an arithmetic number, because the mean of its divisors is an integer number (39898560).

Almost surely, 2^315520451 is an apocalyptic number.

315520451 is a deficient number, since it is larger than the sum of its proper divisors (3668029).

315520451 is a wasteful number, since it uses less digits than its factorization.

315520451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 315520451 is about 17762.8953439466. The cubic root of 315520451 is about 680.7837351984.

Adding to 315520451 its reverse (154025513), we get a palindrome (469545964).

The spelling of 315520451 in words is "three hundred fifteen million, five hundred twenty thousand, four hundred fifty-one".