315737361 has 9 divisors (see below), whose sum is σ = 456142089. Its totient is φ = 210456036.

The previous prime is 315737341. The next prime is 315737363. The reversal of 315737361 is 163737513.

It is a happy number.

The square root of 315737361 is 17769.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 315737361 - 2⁹ = 315736849 is a prime.

It is a super-2 number, since 2×315737361² = 199380162262488642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315737363) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 50346 + ... + 56268.

Almost surely, 2^315737361 is an apocalyptic number.

315737361 is the 17769-th square number.

315737361 is the 8885-th centered octagonal number.

It is an amenable number.

315737361 is a deficient number, since it is larger than the sum of its proper divisors (140404728).

315737361 is an frugal number, since it uses more digits than its factorization.

315737361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852 (or 5926 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The cubic root of 315737361 is about 680.9397049866.

Multiplying 315737361 by its sum of digits (36), we get a square (11366544996 = 106614²).

The spelling of 315737361 in words is "three hundred fifteen million, seven hundred thirty-seven thousand, three hundred sixty-one".