15325939 has 2 divisors, whose sum is σ = 15325940. Its totient is φ = 15325938.

The previous prime is 15325927. The next prime is 15325943. The reversal of 15325939 is 93952351.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15325939 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 15325898 and 15325907.

It is not a weakly prime, because it can be changed into another prime (15325909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7662969 + 7662970.

It is an arithmetic number, because the mean of its divisors is an integer number (7662970).

Almost surely, 2^15325939 is an apocalyptic number.

15325939 is a deficient number, since it is larger than the sum of its proper divisors (1).

15325939 is an equidigital number, since it uses as much as digits as its factorization.

15325939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 37.

The square root of 15325939 is about 3914.8357564526. The cubic root of 15325939 is about 248.3947223975.

The spelling of 15325939 in words is "fifteen million, three hundred twenty-five thousand, nine hundred thirty-nine".