7255513 has 2 divisors, whose sum is σ = 7255514. Its totient is φ = 7255512.

The previous prime is 7255499. The next prime is 7255529. The reversal of 7255513 is 3155527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7246864 + 8649 = 2692^2 + 93^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7255513 is a prime.

It is equal to p₄₉₂₈₄₁ and since 7255513 and 492841 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (7252513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3627756 + 3627757.

It is an arithmetic number, because the mean of its divisors is an integer number (3627757).

Almost surely, 2^7255513 is an apocalyptic number.

It is an amenable number.

7255513 is a deficient number, since it is larger than the sum of its proper divisors (1).

7255513 is an equidigital number, since it uses as much as digits as its factorization.

7255513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5250, while the sum is 28.

The square root of 7255513 is about 2693.6059474244. The cubic root of 7255513 is about 193.5928774017.

The spelling of 7255513 in words is "seven million, two hundred fifty-five thousand, five hundred thirteen".