245624725 has 6 divisors (see below), whose sum is σ = 304574690. Its totient is φ = 196499760.

The previous prime is 245624719. The next prime is 245624777. The reversal of 245624725 is 527426542.

It can be written as a sum of positive squares in 3 ways, for example, as 5963364 + 239661361 = 2442^2 + 15481^2 .

It is not a de Polignac number, because 245624725 - 2¹³ = 245616533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4912470 + ... + 4912519.

Almost surely, 2^245624725 is an apocalyptic number.

245624725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245624725 is a deficient number, since it is larger than the sum of its proper divisors (58949965).

245624725 is an equidigital number, since it uses as much as digits as its factorization.

245624725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9824999 (or 9824994 counting only the distinct ones).

The product of its digits is 134400, while the sum is 37.

The square root of 245624725 is about 15672.4192452856. The cubic root of 245624725 is about 626.2638744713.

The spelling of 245624725 in words is "two hundred forty-five million, six hundred twenty-four thousand, seven hundred twenty-five".