245312525505 has 16 divisors (see below), whose sum is σ = 392507498880. Its totient is φ = 130830860928.

The previous prime is 245312525483. The next prime is 245312525531. The reversal of 245312525505 is 505525213542.

It is not a de Polignac number, because 245312525505 - 2⁷ = 245312525377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885124 + ... + 1128746.

It is an arithmetic number, because the mean of its divisors is an integer number (24531718680).

Almost surely, 2^245312525505 is an apocalyptic number.

It is an amenable number.

245312525505 is a deficient number, since it is larger than the sum of its proper divisors (147194973375).

245312525505 is a wasteful number, since it uses less digits than its factorization.

245312525505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310760.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 245312525505 in words is "two hundred forty-five billion, three hundred twelve million, five hundred twenty-five thousand, five hundred five".