245225235525 has 48 divisors (see below), whose sum is σ = 410855846400. Its totient is φ = 129045621760.

The previous prime is 245225235511. The next prime is 245225235611. The reversal of 245225235525 is 525532522542.

It is not a de Polignac number, because 245225235525 - 2⁷ = 245225235397 is a prime.

It is a super-2 number, since 2×245225235525² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3158977 + ... + 3235673.

It is an arithmetic number, because the mean of its divisors is an integer number (8559496800).

Almost surely, 2^245225235525 is an apocalyptic number.

245225235525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245225235525 is a deficient number, since it is larger than the sum of its proper divisors (165630610875).

245225235525 is a wasteful number, since it uses less digits than its factorization.

245225235525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77278 (or 77273 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 42.

The spelling of 245225235525 in words is "two hundred forty-five billion, two hundred twenty-five million, two hundred thirty-five thousand, five hundred twenty-five".