15225941 has 2 divisors, whose sum is σ = 15225942. Its totient is φ = 15225940.

The previous prime is 15225877. The next prime is 15225943. The reversal of 15225941 is 14952251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12888100 + 2337841 = 3590^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 15225941 - 2⁶ = 15225877 is a prime.

Together with 15225943, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15225943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7612970 + 7612971.

It is an arithmetic number, because the mean of its divisors is an integer number (7612971).

Almost surely, 2^15225941 is an apocalyptic number.

It is an amenable number.

15225941 is a deficient number, since it is larger than the sum of its proper divisors (1).

15225941 is an equidigital number, since it uses as much as digits as its factorization.

15225941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

The square root of 15225941 is about 3902.0431827441. The cubic root of 15225941 is about 247.8533048944.

The spelling of 15225941 in words is "fifteen million, two hundred twenty-five thousand, nine hundred forty-one".