7532813 has 2 divisors, whose sum is σ = 7532814. Its totient is φ = 7532812.

The previous prime is 7532773. The next prime is 7532821. The reversal of 7532813 is 3182357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6061444 + 1471369 = 2462^2 + 1213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7532813 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7531813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3766406 + 3766407.

It is an arithmetic number, because the mean of its divisors is an integer number (3766407).

Almost surely, 2^7532813 is an apocalyptic number.

It is an amenable number.

7532813 is a deficient number, since it is larger than the sum of its proper divisors (1).

7532813 is an equidigital number, since it uses as much as digits as its factorization.

7532813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 7532813 is about 2744.5970560357. The cubic root of 7532813 is about 196.0284302089.

The spelling of 7532813 in words is "seven million, five hundred thirty-two thousand, eight hundred thirteen".