752398813 has 2 divisors, whose sum is σ = 752398814. Its totient is φ = 752398812.

The previous prime is 752398807. The next prime is 752398817. The reversal of 752398813 is 318893257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620906724 + 131492089 = 24918^2 + 11467^2 .

It is an emirp because it is prime and its reverse (318893257) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-752398813 is a prime.

It is a super-2 number, since 2×752398813² = 1132207947607617938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (752398817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 376199406 + 376199407.

It is an arithmetic number, because the mean of its divisors is an integer number (376199407).

Almost surely, 2^752398813 is an apocalyptic number.

It is an amenable number.

752398813 is a deficient number, since it is larger than the sum of its proper divisors (1).

752398813 is an equidigital number, since it uses as much as digits as its factorization.

752398813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 752398813 is about 27429.8890446170. The cubic root of 752398813 is about 909.5279171966.

The spelling of 752398813 in words is "seven hundred fifty-two million, three hundred ninety-eight thousand, eight hundred thirteen".