245563353525 has 48 divisors (see below), whose sum is σ = 464154292224. Its totient is φ = 112219673280.

The previous prime is 245563353517. The next prime is 245563353569. The reversal of 245563353525 is 525353365542.

It is not a de Polignac number, because 245563353525 - 2³ = 245563353517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1509712 + ... + 1664438.

It is an arithmetic number, because the mean of its divisors is an integer number (9669881088).

Almost surely, 2^245563353525 is an apocalyptic number.

245563353525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245563353525 is a deficient number, since it is larger than the sum of its proper divisors (218590938699).

245563353525 is a wasteful number, since it uses less digits than its factorization.

245563353525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157770 (or 157765 counting only the distinct ones).

The product of its digits is 8100000, while the sum is 48.

The spelling of 245563353525 in words is "two hundred forty-five billion, five hundred sixty-three million, three hundred fifty-three thousand, five hundred twenty-five".