625606616453201 has 4 divisors (see below), whose sum is σ = 640155607533552. Its totient is φ = 611057625372852.

The previous prime is 625606616453183. The next prime is 625606616453209. The reversal of 625606616453201 is 102354616606526.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 625606616453201 - 2¹⁴ = 625606616436817 is a prime.

It is a super-2 number, since 2×625606616453201² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625606616453209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7274495540111 + ... + 7274495540196.

It is an arithmetic number, because the mean of its divisors is an integer number (160038901883388).

Almost surely, 2^{625606616453201} is an apocalyptic number.

It is an amenable number.

625606616453201 is a deficient number, since it is larger than the sum of its proper divisors (14548991080351).

625606616453201 is a wasteful number, since it uses less digits than its factorization.

625606616453201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14548991080350.

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 625606616453201 in words is "six hundred twenty-five trillion, six hundred six billion, six hundred sixteen million, four hundred fifty-three thousand, two hundred one".