315042501 has 4 divisors (see below), whose sum is σ = 420056672. Its totient is φ = 210028332.

The previous prime is 315042499. The next prime is 315042503. The reversal of 315042501 is 105240513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (315042499) and next prime (315042503).

It is not a de Polignac number, because 315042501 - 2¹ = 315042499 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315042503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52507081 + ... + 52507086.

It is an arithmetic number, because the mean of its divisors is an integer number (105014168).

Almost surely, 2^315042501 is an apocalyptic number.

It is an amenable number.

315042501 is a deficient number, since it is larger than the sum of its proper divisors (105014171).

315042501 is a wasteful number, since it uses less digits than its factorization.

315042501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105014170.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 315042501 is about 17749.4366389472. The cubic root of 315042501 is about 680.4398113535.

The spelling of 315042501 in words is "three hundred fifteen million, forty-two thousand, five hundred one".