30908401 has 2 divisors, whose sum is σ = 30908402. Its totient is φ = 30908400.

The previous prime is 30908399. The next prime is 30908407. The reversal of 30908401 is 10480903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21902400 + 9006001 = 4680^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 30908401 - 2¹ = 30908399 is a prime.

Together with 30908399, it forms a pair of twin primes.

It is equal to p_1910752 and since 30908401 and 1910752 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (30908407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15454200 + 15454201.

It is an arithmetic number, because the mean of its divisors is an integer number (15454201).

Almost surely, 2^30908401 is an apocalyptic number.

It is an amenable number.

30908401 is a deficient number, since it is larger than the sum of its proper divisors (1).

30908401 is an equidigital number, since it uses as much as digits as its factorization.

30908401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 30908401 is about 5559.5324443698. The cubic root of 30908401 is about 313.8283542659.

The spelling of 30908401 in words is "thirty million, nine hundred eight thousand, four hundred one".