25086870 has 24 divisors (see below), whose sum is σ = 65226096. Its totient is φ = 6689808.

The previous prime is 25086869. The next prime is 25086871. The reversal of 25086870 is 7868052.

It is an interprime number because it is at equal distance from previous prime (25086869) and next prime (25086871).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25086871) 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, 139282 + ... + 139461.

It is an arithmetic number, because the mean of its divisors is an integer number (2717754).

Almost surely, 2^25086870 is an apocalyptic number.

25086870 is an abundant number, since it is smaller than the sum of its proper divisors (40139226).

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

25086870 is a wasteful number, since it uses less digits than its factorization.

25086870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278756 (or 278753 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 25086870 is about 5008.6794666858. The cubic root of 25086870 is about 292.7400615238.

The spelling of 25086870 in words is "twenty-five million, eighty-six thousand, eight hundred seventy".