25087080 has 64 divisors (see below), whose sum is σ = 77112000. Its totient is φ = 6525440.

The previous prime is 25087079. The next prime is 25087081. The reversal of 25087080 is 8078052.

It is an interprime number because it is at equal distance from previous prime (25087079) and next prime (25087081).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (25087081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2371 + ... + 7469.

It is an arithmetic number, because the mean of its divisors is an integer number (1204875).

Almost surely, 2^25087080 is an apocalyptic number.

25087080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25087080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38556000).

25087080 is an abundant number, since it is smaller than the sum of its proper divisors (52024920).

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

25087080 is a wasteful number, since it uses less digits than its factorization.

25087080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154 (or 5150 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 25087080 is about 5008.7004302513. The cubic root of 25087080 is about 292.7408783554.

Subtracting from 25087080 its reverse (8078052), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 25087080 in words is "twenty-five million, eighty-seven thousand, eighty".