625252393 has 2 divisors, whose sum is σ = 625252394. Its totient is φ = 625252392.

The previous prime is 625252349. The next prime is 625252403. The reversal of 625252393 is 393252526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 473149504 + 152102889 = 21752^2 + 12333^2 .

It is a cyclic number.

It is not a de Polignac number, because 625252393 - 2⁹ = 625251881 is a prime.

It is a super-3 number, since 3×625252393³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (625250393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312626196 + 312626197.

It is an arithmetic number, because the mean of its divisors is an integer number (312626197).

Almost surely, 2^625252393 is an apocalyptic number.

It is an amenable number.

625252393 is a deficient number, since it is larger than the sum of its proper divisors (1).

625252393 is an equidigital number, since it uses as much as digits as its factorization.

625252393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

The square root of 625252393 is about 25005.0473504851. The cubic root of 625252393 is about 855.1030474388.

The spelling of 625252393 in words is "six hundred twenty-five million, two hundred fifty-two thousand, three hundred ninety-three".