505245022425 has 144 divisors (see below), whose sum is σ = 1065322440000. Its totient is φ = 225663321600.

The previous prime is 505245022409. The next prime is 505245022481. The reversal of 505245022425 is 524220542505.

It is not a de Polignac number, because 505245022425 - 2⁴ = 505245022409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505245022425.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16039591 + ... + 16071059.

It is an arithmetic number, because the mean of its divisors is an integer number (7398072500).

Almost surely, 2^505245022425 is an apocalyptic number.

505245022425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505245022425 is an abundant number, since it is smaller than the sum of its proper divisors (560077417575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505245022425 is a wasteful number, since it uses less digits than its factorization.

505245022425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32008 (or 32000 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 505245022425 in words is "five hundred five billion, two hundred forty-five million, twenty-two thousand, four hundred twenty-five".