30663497 has 2 divisors, whose sum is σ = 30663498. Its totient is φ = 30663496.

The previous prime is 30663487. The next prime is 30663533. The reversal of 30663497 is 79436603.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29855296 + 808201 = 5464^2 + 899^2 .

It is an emirp because it is prime and its reverse (79436603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30663497 - 2²² = 26469193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30663497.

It is not a weakly prime, because it can be changed into another prime (30663487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15331748 + 15331749.

It is an arithmetic number, because the mean of its divisors is an integer number (15331749).

Almost surely, 2^30663497 is an apocalyptic number.

It is an amenable number.

30663497 is a deficient number, since it is larger than the sum of its proper divisors (1).

30663497 is an equidigital number, since it uses as much as digits as its factorization.

30663497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 30663497 is about 5537.4630472808. The cubic root of 30663497 is about 312.9972780269.

The spelling of 30663497 in words is "thirty million, six hundred sixty-three thousand, four hundred ninety-seven".