30404897 has 2 divisors, whose sum is σ = 30404898. Its totient is φ = 30404896.

The previous prime is 30404887. The next prime is 30404909. The reversal of 30404897 is 79840403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27363361 + 3041536 = 5231^2 + 1744^2 .

It is a cyclic number.

It is not a de Polignac number, because 30404897 - 2¹⁰ = 30403873 is a prime.

It is not a weakly prime, because it can be changed into another prime (30404837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15202448 + 15202449.

It is an arithmetic number, because the mean of its divisors is an integer number (15202449).

Almost surely, 2^30404897 is an apocalyptic number.

It is an amenable number.

30404897 is a deficient number, since it is larger than the sum of its proper divisors (1).

30404897 is an equidigital number, since it uses as much as digits as its factorization.

30404897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 30404897 is about 5514.0635651033. The cubic root of 30404897 is about 312.1149074068.

The spelling of 30404897 in words is "thirty million, four hundred four thousand, eight hundred ninety-seven".