245577525 has 12 divisors (see below), whose sum is σ = 406021632. Its totient is φ = 130974640.

The previous prime is 245577523. The next prime is 245577533. The reversal of 245577525 is 525775542.

It is not a de Polignac number, because 245577525 - 2¹ = 245577523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245577523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1637109 + ... + 1637258.

It is an arithmetic number, because the mean of its divisors is an integer number (33835136).

Almost surely, 2^245577525 is an apocalyptic number.

245577525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245577525 is a deficient number, since it is larger than the sum of its proper divisors (160444107).

245577525 is a wasteful number, since it uses less digits than its factorization.

245577525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274380 (or 3274375 counting only the distinct ones).

The product of its digits is 490000, while the sum is 42.

The square root of 245577525 is about 15670.9133428783. The cubic root of 245577525 is about 626.2237569730.

The spelling of 245577525 in words is "two hundred forty-five million, five hundred seventy-seven thousand, five hundred twenty-five".