15253939 has 2 divisors, whose sum is σ = 15253940. Its totient is φ = 15253938.

The previous prime is 15253937. The next prime is 15253943. The reversal of 15253939 is 93935251.

15253939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15253939 - 2¹ = 15253937 is a prime.

Together with 15253937, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 15253898 and 15253907.

It is not a weakly prime, because it can be changed into another prime (15253937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626969 + 7626970.

It is an arithmetic number, because the mean of its divisors is an integer number (7626970).

Almost surely, 2^15253939 is an apocalyptic number.

15253939 is a deficient number, since it is larger than the sum of its proper divisors (1).

15253939 is an equidigital number, since it uses as much as digits as its factorization.

15253939 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 15253939 is about 3905.6291426606. The cubic root of 15253939 is about 248.0051323513.

The spelling of 15253939 in words is "fifteen million, two hundred fifty-three thousand, nine hundred thirty-nine".