625006030501 has 2 divisors, whose sum is σ = 625006030502. Its totient is φ = 625006030500.

The previous prime is 625006030487. The next prime is 625006030601. The reversal of 625006030501 is 105030600526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428933304900 + 196072725601 = 654930^2 + 442801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625006030501 is a prime.

It is a super-2 number, since 2×625006030501² (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 625006030501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625006030601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312503015250 + 312503015251.

It is an arithmetic number, because the mean of its divisors is an integer number (312503015251).

Almost surely, 2^625006030501 is an apocalyptic number.

It is an amenable number.

625006030501 is a deficient number, since it is larger than the sum of its proper divisors (1).

625006030501 is an equidigital number, since it uses as much as digits as its factorization.

625006030501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 625006030501 in words is "six hundred twenty-five billion, six million, thirty thousand, five hundred one".