15025481 has 2 divisors, whose sum is σ = 15025482. Its totient is φ = 15025480.

The previous prime is 15025469. The next prime is 15025489. The reversal of 15025481 is 18452051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9096256 + 5929225 = 3016^2 + 2435^2 .

It is a cyclic number.

It is not a de Polignac number, because 15025481 - 2¹⁴ = 15009097 is a prime.

It is a super-2 number, since 2×15025481² = 451530158562722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15025481.

It is not a weakly prime, because it can be changed into another prime (15025489) 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, 7512740 + 7512741.

It is an arithmetic number, because the mean of its divisors is an integer number (7512741).

Almost surely, 2^15025481 is an apocalyptic number.

It is an amenable number.

15025481 is a deficient number, since it is larger than the sum of its proper divisors (1).

15025481 is an equidigital number, since it uses as much as digits as its factorization.

15025481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 15025481 is about 3876.2715333165. The cubic root of 15025481 is about 246.7607763213.

The spelling of 15025481 in words is "fifteen million, twenty-five thousand, four hundred eighty-one".