505508325025 has 48 divisors (see below), whose sum is σ = 737700784128. Its totient is φ = 339487616000.

The previous prime is 505508325017. The next prime is 505508325029. The reversal of 505508325025 is 520523805505.

It is not a de Polignac number, because 505508325025 - 2³ = 505508325017 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (505508325029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 772321 + ... + 1267870.

It is an arithmetic number, because the mean of its divisors is an integer number (15368766336).

Almost surely, 2^505508325025 is an apocalyptic number.

505508325025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505508325025 is a deficient number, since it is larger than the sum of its proper divisors (232192459103).

505508325025 is a wasteful number, since it uses less digits than its factorization.

505508325025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040282 (or 2040277 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 505508325025 in words is "five hundred five billion, five hundred eight million, three hundred twenty-five thousand, twenty-five".