25255170 has 24 divisors (see below), whose sum is σ = 65663676. Its totient is φ = 6734688.

The previous prime is 25255169. The next prime is 25255171. The reversal of 25255170 is 7155252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25255169) and next prime (25255171).

It can be written as a sum of positive squares in 2 ways, for example, as 20602521 + 4652649 = 4539^2 + 2157^2 .

It is a super-2 number, since 2×25255170² = 1275647223457800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25255171) 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, 140217 + ... + 140396.

Almost surely, 2^25255170 is an apocalyptic number.

25255170 is an abundant number, since it is smaller than the sum of its proper divisors (40408506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25255170 is a wasteful number, since it uses less digits than its factorization.

25255170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280626 (or 280623 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 25255170 is about 5025.4522184576. The cubic root of 25255170 is about 293.3932370197.

It can be divided in two parts, 25255 and 170, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 25255170 in words is "twenty-five million, two hundred fifty-five thousand, one hundred seventy".