315427540 has 12 divisors (see below), whose sum is σ = 662397876. Its totient is φ = 126171008.

The previous prime is 315427529. The next prime is 315427549. The reversal of 315427540 is 45724513.

It can be written as a sum of positive squares in 2 ways, for example, as 236359876 + 79067664 = 15374^2 + 8892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315427549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7885669 + ... + 7885708.

It is an arithmetic number, because the mean of its divisors is an integer number (55199823).

Almost surely, 2^315427540 is an apocalyptic number.

It is an amenable number.

315427540 is an abundant number, since it is smaller than the sum of its proper divisors (346970336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315427540 is a wasteful number, since it uses less digits than its factorization.

315427540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15771386 (or 15771384 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 315427540 is about 17760.2798401377. The cubic root of 315427540 is about 680.7169053970.

The spelling of 315427540 in words is "three hundred fifteen million, four hundred twenty-seven thousand, five hundred forty".