15051973 has 2 divisors, whose sum is σ = 15051974. Its totient is φ = 15051972.

The previous prime is 15051923. The next prime is 15051977. The reversal of 15051973 is 37915051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9132484 + 5919489 = 3022^2 + 2433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15051973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15051977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525986 + 7525987.

It is an arithmetic number, because the mean of its divisors is an integer number (7525987).

Almost surely, 2^15051973 is an apocalyptic number.

It is an amenable number.

15051973 is a deficient number, since it is larger than the sum of its proper divisors (1).

15051973 is an equidigital number, since it uses as much as digits as its factorization.

15051973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 15051973 is about 3879.6872296617. The cubic root of 15051973 is about 246.9057156249.

The spelling of 15051973 in words is "fifteen million, fifty-one thousand, nine hundred seventy-three".