15025013897 has 2 divisors, whose sum is σ = 15025013898. Its totient is φ = 15025013896.

The previous prime is 15025013893. The next prime is 15025013959. The reversal of 15025013897 is 79831052051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11824170121 + 3200843776 = 108739^2 + 56576^2 .

It is a cyclic number.

It is not a de Polignac number, because 15025013897 - 2² = 15025013893 is a prime.

It is not a weakly prime, because it can be changed into another prime (15025013891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7512506948 + 7512506949.

It is an arithmetic number, because the mean of its divisors is an integer number (7512506949).

Almost surely, 2^15025013897 is an apocalyptic number.

It is an amenable number.

15025013897 is a deficient number, since it is larger than the sum of its proper divisors (1).

15025013897 is an equidigital number, since it uses as much as digits as its factorization.

15025013897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 15025013897 in words is "fifteen billion, twenty-five million, thirteen thousand, eight hundred ninety-seven".