401313500025 has 48 divisors (see below), whose sum is σ = 685687541760. Its totient is φ = 206893915200.

The previous prime is 401313500017. The next prime is 401313500053. The reversal of 401313500025 is 520005313104.

It is not a de Polignac number, because 401313500025 - 2³ = 401313500017 is a prime.

It is a super-2 number, since 2×401313500025² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401313499968 and 401313500004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1955236 + ... + 2150714.

It is an arithmetic number, because the mean of its divisors is an integer number (14285157120).

Almost surely, 2^401313500025 is an apocalyptic number.

It is an amenable number.

401313500025 is a deficient number, since it is larger than the sum of its proper divisors (284374041735).

401313500025 is a wasteful number, since it uses less digits than its factorization.

401313500025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196406 (or 196401 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 401313500025 its reverse (520005313104), we get a palindrome (921318813129).

The spelling of 401313500025 in words is "four hundred one billion, three hundred thirteen million, five hundred thousand, twenty-five".