25015973 has 8 divisors (see below), whose sum is σ = 26258688. Its totient is φ = 23786224.

The previous prime is 25015957. The next prime is 25015979. The reversal of 25015973 is 37951052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25015973 - 2⁴ = 25015957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25015979) 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, 836 + ... + 7122.

It is an arithmetic number, because the mean of its divisors is an integer number (3282336).

Almost surely, 2^25015973 is an apocalyptic number.

25015973 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25015973 is a deficient number, since it is larger than the sum of its proper divisors (1242715).

25015973 is a wasteful number, since it uses less digits than its factorization.

25015973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 25015973 is about 5001.5970449447. The cubic root of 25015973 is about 292.4640343438.

The spelling of 25015973 in words is "twenty-five million, fifteen thousand, nine hundred seventy-three".