15025513 has 2 divisors, whose sum is σ = 15025514. Its totient is φ = 15025512.

The previous prime is 15025489. The next prime is 15025519. The reversal of 15025513 is 31552051.

15025513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14953689 + 71824 = 3867^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 15025513 - 2⁵ = 15025481 is a prime.

It is not a weakly prime, because it can be changed into another prime (15025519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7512756 + 7512757.

It is an arithmetic number, because the mean of its divisors is an integer number (7512757).

Almost surely, 2^15025513 is an apocalyptic number.

It is an amenable number.

15025513 is a deficient number, since it is larger than the sum of its proper divisors (1).

15025513 is an equidigital number, since it uses as much as digits as its factorization.

15025513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 15025513 is about 3876.2756609921. The cubic root of 15025513 is about 246.7609514980.

Adding to 15025513 its reverse (31552051), we get a palindrome (46577564).

The spelling of 15025513 in words is "fifteen million, twenty-five thousand, five hundred thirteen".