620496326225 has 6 divisors (see below), whose sum is σ = 769415444550. Its totient is φ = 496397060960.

The previous prime is 620496326183. The next prime is 620496326227. The reversal of 620496326225 is 522623694026.

It can be written as a sum of positive squares in 3 ways, for example, as 409374289 + 620086951936 = 20233^2 + 787456^2 .

It is not a de Polignac number, because 620496326225 - 2⁶ = 620496326161 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 620496326225.

It is not an unprimeable number, because it can be changed into a prime (620496326227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12409926500 + ... + 12409926549.

It is an arithmetic number, because the mean of its divisors is an integer number (128235907425).

Almost surely, 2^620496326225 is an apocalyptic number.

It is an amenable number.

620496326225 is a deficient number, since it is larger than the sum of its proper divisors (148919118325).

620496326225 is a wasteful number, since it uses less digits than its factorization.

620496326225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24819853059 (or 24819853054 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 620496326225 in words is "six hundred twenty billion, four hundred ninety-six million, three hundred twenty-six thousand, two hundred twenty-five".