7525613 has 2 divisors, whose sum is σ = 7525614. Its totient is φ = 7525612.

The previous prime is 7525601. The next prime is 7525633. The reversal of 7525613 is 3165257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7038409 + 487204 = 2653^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 7525613 - 2¹⁶ = 7460077 is a prime.

It is a d-powerful number, because it can be written as 7⁸ + 5² + 2¹⁶ + 5⁶ + 6⁸ + 1 + 3² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7525633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3762806 + 3762807.

It is an arithmetic number, because the mean of its divisors is an integer number (3762807).

Almost surely, 2^7525613 is an apocalyptic number.

It is an amenable number.

7525613 is a deficient number, since it is larger than the sum of its proper divisors (1).

7525613 is an equidigital number, since it uses as much as digits as its factorization.

7525613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 29.

The square root of 7525613 is about 2743.2850745047. The cubic root of 7525613 is about 195.9659544503.

The spelling of 7525613 in words is "seven million, five hundred twenty-five thousand, six hundred thirteen".