25723725 has 24 divisors (see below), whose sum is σ = 44000160. Its totient is φ = 13245120.

The previous prime is 25723697. The next prime is 25723727. The reversal of 25723725 is 52732752.

It is not a de Polignac number, because 25723725 - 2⁵ = 25723693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25723727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3739 + ... + 8088.

It is an arithmetic number, because the mean of its divisors is an integer number (1833340).

Almost surely, 2^25723725 is an apocalyptic number.

25723725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25723725 is a deficient number, since it is larger than the sum of its proper divisors (18276435).

25723725 is a wasteful number, since it uses less digits than its factorization.

25723725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11869 (or 11864 counting only the distinct ones).

The product of its digits is 29400, while the sum is 33.

The square root of 25723725 is about 5071.8561690963. The cubic root of 25723725 is about 295.1965557834.

The spelling of 25723725 in words is "twenty-five million, seven hundred twenty-three thousand, seven hundred twenty-five".