30497265 has 12 divisors (see below), whose sum is σ = 52862004. Its totient is φ = 16265184.

The previous prime is 30497263. The next prime is 30497267. The reversal of 30497265 is 56279403.

30497265 is a `hidden beast` number, since 304 + 97 + 265 = 666.

It is an interprime number because it is at equal distance from previous prime (30497263) and next prime (30497267).

It can be written as a sum of positive squares in 2 ways, for example, as 13133376 + 17363889 = 3624^2 + 4167^2 .

It is not a de Polignac number, because 30497265 - 2¹ = 30497263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30497263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338814 + ... + 338903.

It is an arithmetic number, because the mean of its divisors is an integer number (4405167).

Almost surely, 2^30497265 is an apocalyptic number.

It is an amenable number.

30497265 is a deficient number, since it is larger than the sum of its proper divisors (22364739).

30497265 is a wasteful number, since it uses less digits than its factorization.

30497265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677728 (or 677725 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 30497265 is about 5522.4328877769. The cubic root of 30497265 is about 312.4306491439.

The spelling of 30497265 in words is "thirty million, four hundred ninety-seven thousand, two hundred sixty-five".