30900465 has 24 divisors (see below), whose sum is σ = 54443688. Its totient is φ = 16208640.

The previous prime is 30900461. The next prime is 30900469. The reversal of 30900465 is 56400903.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30900461) and next prime (30900469).

It can be written as a sum of positive squares in 4 ways, for example, as 1382976 + 29517489 = 1176^2 + 5433^2 .

It is not a de Polignac number, because 30900465 - 2² = 30900461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30900461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2884 + ... + 8373.

It is an arithmetic number, because the mean of its divisors is an integer number (2268487).

Almost surely, 2^30900465 is an apocalyptic number.

It is an amenable number.

30900465 is a deficient number, since it is larger than the sum of its proper divisors (23543223).

30900465 is a wasteful number, since it uses less digits than its factorization.

30900465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11329 (or 11326 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 30900465 is about 5558.8186694657. The cubic root of 30900465 is about 313.8014925830.

The spelling of 30900465 in words is "thirty million, nine hundred thousand, four hundred sixty-five".