7525313 has 2 divisors, whose sum is σ = 7525314. Its totient is φ = 7525312.

The previous prime is 7525307. The next prime is 7525333. The reversal of 7525313 is 3135257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5721664 + 1803649 = 2392^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 7525313 - 2⁶ = 7525249 is a prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (7525333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3762656 + 3762657.

It is an arithmetic number, because the mean of its divisors is an integer number (3762657).

Almost surely, 2^7525313 is an apocalyptic number.

It is an amenable number.

7525313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7525313 is an equidigital number, since it uses as much as digits as its factorization.

7525313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3150, while the sum is 26.

The square root of 7525313 is about 2743.2303949905. The cubic root of 7525313 is about 195.9633504291.

The spelling of 7525313 in words is "seven million, five hundred twenty-five thousand, three hundred thirteen".