30013457 has 2 divisors, whose sum is σ = 30013458. Its totient is φ = 30013456.

The previous prime is 30013447. The next prime is 30013469. The reversal of 30013457 is 75431003.

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., 28313041 + 1700416 = 5321^2 + 1304^2 .

It is a cyclic number.

It is not a de Polignac number, because 30013457 - 2⁸ = 30013201 is a prime.

It is not a weakly prime, because it can be changed into another prime (30013447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006728 + 15006729.

It is an arithmetic number, because the mean of its divisors is an integer number (15006729).

Almost surely, 2^30013457 is an apocalyptic number.

It is an amenable number.

30013457 is a deficient number, since it is larger than the sum of its proper divisors (1).

30013457 is an equidigital number, since it uses as much as digits as its factorization.

30013457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 30013457 is about 5478.4538877315. The cubic root of 30013457 is about 310.7697036812.

The spelling of 30013457 in words is "thirty million, thirteen thousand, four hundred fifty-seven".