625620301 has 2 divisors, whose sum is σ = 625620302. Its totient is φ = 625620300.

The previous prime is 625620283. The next prime is 625620313. The reversal of 625620301 is 103026526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 554555401 + 71064900 = 23549^2 + 8430^2 .

It is a cyclic number.

It is not a de Polignac number, because 625620301 - 2⁹ = 625619789 is a prime.

It is a super-2 number, since 2×625620301² = 782801522046661202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625620371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312810150 + 312810151.

It is an arithmetic number, because the mean of its divisors is an integer number (312810151).

Almost surely, 2^625620301 is an apocalyptic number.

It is an amenable number.

625620301 is a deficient number, since it is larger than the sum of its proper divisors (1).

625620301 is an equidigital number, since it uses as much as digits as its factorization.

625620301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 625620301 is about 25012.4029433399. The cubic root of 625620301 is about 855.2707330916.

Adding to 625620301 its reverse (103026526), we get a palindrome (728646827).

The spelling of 625620301 in words is "six hundred twenty-five million, six hundred twenty thousand, three hundred one".