247525025 has 12 divisors (see below), whose sum is σ = 334834224. Its totient is φ = 180018000.

The previous prime is 247524997. The next prime is 247525037. The reversal of 247525025 is 520525742.

247525025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 247525025 - 2⁶ = 247524961 is a prime.

It is a super-2 number, since 2×247525025² = 122537276002501250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 247524982 and 247525000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449771 + ... + 450320.

It is an arithmetic number, because the mean of its divisors is an integer number (27902852).

Almost surely, 2^247525025 is an apocalyptic number.

247525025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

247525025 is a deficient number, since it is larger than the sum of its proper divisors (87309199).

247525025 is a wasteful number, since it uses less digits than its factorization.

247525025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900112 (or 900107 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 247525025 is about 15732.9280491586. The cubic root of 247525025 is about 627.8747781011.

The spelling of 247525025 in words is "two hundred forty-seven million, five hundred twenty-five thousand, twenty-five".