25673500 has 24 divisors (see below), whose sum is σ = 56072016. Its totient is φ = 10269200.

The previous prime is 25673447. The next prime is 25673509. The reversal of 25673500 is 537652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25673509) 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, 25174 + ... + 26173.

It is an arithmetic number, because the mean of its divisors is an integer number (2336334).

Almost surely, 2^25673500 is an apocalyptic number.

25673500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25673500 is an abundant number, since it is smaller than the sum of its proper divisors (30398516).

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

25673500 is a wasteful number, since it uses less digits than its factorization.

25673500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51366 (or 51354 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 25673500 is about 5066.9024067965. The cubic root of 25673500 is about 295.0043090436.

The spelling of 25673500 in words is "twenty-five million, six hundred seventy-three thousand, five hundred".