315525141 has 6 divisors (see below), whose sum is σ = 455758550. Its totient is φ = 210350088.

The previous prime is 315525137. The next prime is 315525149. The reversal of 315525141 is 141525513.

It can be written as a sum of positive squares in only one way, i.e., 285779025 + 29746116 = 16905^2 + 5454^2 .

It is not a de Polignac number, because 315525141 - 2² = 315525137 is a prime.

It is a super-2 number, since 2×315525141² = 199112229206139762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315525149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17529166 + ... + 17529183.

Almost surely, 2^315525141 is an apocalyptic number.

It is an amenable number.

315525141 is a deficient number, since it is larger than the sum of its proper divisors (140233409).

315525141 is a wasteful number, since it uses less digits than its factorization.

315525141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35058355 (or 35058352 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 315525141 is about 17763.0273602221. The cubic root of 315525141 is about 680.7871083130.

The spelling of 315525141 in words is "three hundred fifteen million, five hundred twenty-five thousand, one hundred forty-one".