564025139 has 2 divisors, whose sum is σ = 564025140. Its totient is φ = 564025138.

The previous prime is 564025117. The next prime is 564025157. The reversal of 564025139 is 931520465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564025139 - 2¹² = 564021043 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 564025099 and 564025108.

It is not a weakly prime, because it can be changed into another prime (564025199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282012569 + 282012570.

It is an arithmetic number, because the mean of its divisors is an integer number (282012570).

Almost surely, 2^564025139 is an apocalyptic number.

564025139 is a deficient number, since it is larger than the sum of its proper divisors (1).

564025139 is an equidigital number, since it uses as much as digits as its factorization.

564025139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 564025139 is about 23749.2134396068. The cubic root of 564025139 is about 826.2271979261.

The spelling of 564025139 in words is "five hundred sixty-four million, twenty-five thousand, one hundred thirty-nine".