245555125 has 16 divisors (see below), whose sum is σ = 314741232. Its totient is φ = 191131200.

The previous prime is 245555117. The next prime is 245555131. The reversal of 245555125 is 521555542.

It can be written as a sum of positive squares in 8 ways, for example, as 13845841 + 231709284 = 3721^2 + 15222^2 .

It is not a de Polignac number, because 245555125 - 2³ = 245555117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21922 + ... + 31171.

It is an arithmetic number, because the mean of its divisors is an integer number (19671327).

Almost surely, 2^245555125 is an apocalyptic number.

245555125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245555125 is a deficient number, since it is larger than the sum of its proper divisors (69186107).

245555125 is an equidigital number, since it uses as much as digits as its factorization.

245555125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53145 (or 53135 counting only the distinct ones).

The product of its digits is 50000, while the sum is 34.

The square root of 245555125 is about 15670.1986266926. The cubic root of 245555125 is about 626.2047163616.

The spelling of 245555125 in words is "two hundred forty-five million, five hundred fifty-five thousand, one hundred twenty-five".