25078000 has 40 divisors (see below), whose sum is σ = 60643440. Its totient is φ = 10030400.

The previous prime is 25077991. The next prime is 25078003. The reversal of 25078000 is 87052.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25078003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4270 + ... + 8269.

It is an arithmetic number, because the mean of its divisors is an integer number (1516086).

Almost surely, 2^25078000 is an apocalyptic number.

25078000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25078000 is an abundant number, since it is smaller than the sum of its proper divisors (35565440).

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

25078000 is a wasteful number, since it uses less digits than its factorization.

25078000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562 (or 12546 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 25078000 is about 5007.7939254726. The cubic root of 25078000 is about 292.7055559514.

The spelling of 25078000 in words is "twenty-five million, seventy-eight thousand".