253417025 has 6 divisors (see below), whose sum is σ = 314237142. Its totient is φ = 202733600.

The previous prime is 253417019. The next prime is 253417027. The reversal of 253417025 is 520714352.

It is a happy number.

253417025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 97969 + 253319056 = 313^2 + 15916^2 .

It is not a de Polignac number, because 253417025 - 2⁸ = 253416769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (253417027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5068316 + ... + 5068365.

It is an arithmetic number, because the mean of its divisors is an integer number (52372857).

Almost surely, 2^253417025 is an apocalyptic number.

253417025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253417025 is a deficient number, since it is larger than the sum of its proper divisors (60820117).

253417025 is a wasteful number, since it uses less digits than its factorization.

253417025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10136691 (or 10136686 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 253417025 is about 15919.0773916078. The cubic root of 253417025 is about 632.8176681283.

The spelling of 253417025 in words is "two hundred fifty-three million, four hundred seventeen thousand, twenty-five".