245365521275 has 48 divisors (see below), whose sum is σ = 357700397376. Its totient is φ = 163435345920.

The previous prime is 245365521251. The next prime is 245365521283. The reversal of 245365521275 is 572125563542.

It is not a de Polignac number, because 245365521275 - 2¹² = 245365517179 is a prime.

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, 3964367 + ... + 4025783.

It is an arithmetic number, because the mean of its divisors is an integer number (7452091612).

Almost surely, 2^245365521275 is an apocalyptic number.

245365521275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

245365521275 is a deficient number, since it is larger than the sum of its proper divisors (112334876101).

245365521275 is a wasteful number, since it uses less digits than its factorization.

245365521275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62088 (or 62083 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 47.

The spelling of 245365521275 in words is "two hundred forty-five billion, three hundred sixty-five million, five hundred twenty-one thousand, two hundred seventy-five".