15425401 has 2 divisors, whose sum is σ = 15425402. Its totient is φ = 15425400.

The previous prime is 15425393. The next prime is 15425413. The reversal of 15425401 is 10452451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12257001 + 3168400 = 3501^2 + 1780^2 .

It is a cyclic number.

It is not a de Polignac number, because 15425401 - 2³ = 15425393 is a prime.

It is not a weakly prime, because it can be changed into another prime (15425101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7712700 + 7712701.

It is an arithmetic number, because the mean of its divisors is an integer number (7712701).

Almost surely, 2^15425401 is an apocalyptic number.

It is an amenable number.

15425401 is a deficient number, since it is larger than the sum of its proper divisors (1).

15425401 is an equidigital number, since it uses as much as digits as its factorization.

15425401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 15425401 is about 3927.5184277098. The cubic root of 15425401 is about 248.9309066748.

Adding to 15425401 its reverse (10452451), we get a palindrome (25877852).

The spelling of 15425401 in words is "fifteen million, four hundred twenty-five thousand, four hundred one".