315445425 has 24 divisors (see below), whose sum is σ = 522049920. Its totient is φ = 168072000.

The previous prime is 315445423. The next prime is 315445517. The reversal of 315445425 is 524544513.

It is not a de Polignac number, because 315445425 - 2¹ = 315445423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315445423) 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 23 ways as a sum of consecutive naturals, for example, 133000 + ... + 135350.

It is an arithmetic number, because the mean of its divisors is an integer number (21752080).

Almost surely, 2^315445425 is an apocalyptic number.

It is an amenable number.

315445425 is a deficient number, since it is larger than the sum of its proper divisors (206604495).

315445425 is a wasteful number, since it uses less digits than its factorization.

315445425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153 (or 4148 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 315445425 is about 17760.7833442109. The cubic root of 315445425 is about 680.7297708893.

Adding to 315445425 its reverse (524544513), we get a palindrome (839989938).

The spelling of 315445425 in words is "three hundred fifteen million, four hundred forty-five thousand, four hundred twenty-five".