30625723 has 2 divisors, whose sum is σ = 30625724. Its totient is φ = 30625722.

The previous prime is 30625709. The next prime is 30625741. The reversal of 30625723 is 32752603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30625723 - 2⁵ = 30625691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30625691 and 30625700.

It is not a weakly prime, because it can be changed into another prime (30625703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15312861 + 15312862.

It is an arithmetic number, because the mean of its divisors is an integer number (15312862).

Almost surely, 2^30625723 is an apocalyptic number.

30625723 is a deficient number, since it is larger than the sum of its proper divisors (1).

30625723 is an equidigital number, since it uses as much as digits as its factorization.

30625723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 30625723 is about 5534.0512285305. The cubic root of 30625723 is about 312.8686993302.

The spelling of 30625723 in words is "thirty million, six hundred twenty-five thousand, seven hundred twenty-three".