501420000025 has 36 divisors (see below), whose sum is σ = 724168231740. Its totient is φ = 343405171200.

The previous prime is 501420000013. The next prime is 501420000073. The reversal of 501420000025 is 520000024105.

It can be written as a sum of positive squares in 6 ways, for example, as 2441644569 + 498978355456 = 49413^2 + 706384^2 .

It is not a de Polignac number, because 501420000025 - 2¹¹ = 501419997977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501419999957 and 501420000011.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 738045 + ... + 1244005.

It is an arithmetic number, because the mean of its divisors is an integer number (20115784215).

Almost surely, 2^501420000025 is an apocalyptic number.

It is an amenable number.

501420000025 is a deficient number, since it is larger than the sum of its proper divisors (222748231715).

501420000025 is a wasteful number, since it uses less digits than its factorization.

501420000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506794 (or 506782 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The spelling of 501420000025 in words is "five hundred one billion, four hundred twenty million, twenty-five", and thus it is an aban number.