245457725 has 24 divisors (see below), whose sum is σ = 319741440. Its totient is φ = 186563520.

The previous prime is 245457703. The next prime is 245457727. The reversal of 245457725 is 527754542.

It is not a de Polignac number, because 245457725 - 2²⁴ = 228680509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245457727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88916 + ... + 91634.

It is an arithmetic number, because the mean of its divisors is an integer number (13322560).

Almost surely, 2^245457725 is an apocalyptic number.

245457725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245457725 is a deficient number, since it is larger than the sum of its proper divisors (74283715).

245457725 is a wasteful number, since it uses less digits than its factorization.

245457725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909 (or 2904 counting only the distinct ones).

The product of its digits is 392000, while the sum is 41.

The square root of 245457725 is about 15667.0905084511. The cubic root of 245457725 is about 626.1219102362.

The spelling of 245457725 in words is "two hundred forty-five million, four hundred fifty-seven thousand, seven hundred twenty-five".