625475274319 has 32 divisors (see below), whose sum is σ = 727529886720. Its totient is φ = 526679366400.

The previous prime is 625475274293. The next prime is 625475274329. The reversal of 625475274319 is 913472574526.

It is a cyclic number.

It is not a de Polignac number, because 625475274319 - 2¹¹ = 625475272271 is a prime.

It is a super-2 number, since 2×625475274319² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 625475274319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625475274329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172638342 + ... + 172641964.

It is an arithmetic number, because the mean of its divisors is an integer number (22735308960).

Almost surely, 2^625475274319 is an apocalyptic number.

625475274319 is a deficient number, since it is larger than the sum of its proper divisors (102054612401).

625475274319 is a wasteful number, since it uses less digits than its factorization.

625475274319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431.

The product of its digits is 12700800, while the sum is 55.

The spelling of 625475274319 in words is "six hundred twenty-five billion, four hundred seventy-five million, two hundred seventy-four thousand, three hundred nineteen".