315420075 has 60 divisors (see below), whose sum is σ = 587586648. Its totient is φ = 167961600.

The previous prime is 315420047. The next prime is 315420103. The reversal of 315420075 is 570024513.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (315420047) and next prime (315420103).

It is not a de Polignac number, because 315420075 - 2¹⁴ = 315403691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 491755 + ... + 492395.

Almost surely, 2^315420075 is an apocalyptic number.

315420075 is a deficient number, since it is larger than the sum of its proper divisors (272166573).

315420075 is an frugal number, since it uses more digits than its factorization.

315420075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 315420075 is about 17760.0696789174. The cubic root of 315420075 is about 680.7115353398.

Adding to 315420075 its reverse (570024513), we get a palindrome (885444588).

The spelling of 315420075 in words is "three hundred fifteen million, four hundred twenty thousand, seventy-five".