30252619 has 2 divisors, whose sum is σ = 30252620. Its totient is φ = 30252618.

The previous prime is 30252589. The next prime is 30252641. The reversal of 30252619 is 91625203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30252619 - 2⁷ = 30252491 is a prime.

It is a super-2 number, since 2×30252619² = 1830441912718322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30252679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15126309 + 15126310.

It is an arithmetic number, because the mean of its divisors is an integer number (15126310).

Almost surely, 2^30252619 is an apocalyptic number.

30252619 is a deficient number, since it is larger than the sum of its proper divisors (1).

30252619 is an equidigital number, since it uses as much as digits as its factorization.

30252619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 30252619 is about 5500.2380857559. The cubic root of 30252619 is about 311.5929761183.

The spelling of 30252619 in words is "thirty million, two hundred fifty-two thousand, six hundred nineteen".