25064973 has 6 divisors (see below), whose sum is σ = 36204974. Its totient is φ = 16709976.

The previous prime is 25064951. The next prime is 25064983. The reversal of 25064973 is 37946052.

25064973 is a `hidden beast` number, since 2 + 5 + 0 + 649 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20412324 + 4652649 = 4518^2 + 2157^2 .

It is not a de Polignac number, because 25064973 - 2⁶ = 25064909 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 (25064983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1392490 + ... + 1392507.

Almost surely, 2^25064973 is an apocalyptic number.

It is an amenable number.

25064973 is a deficient number, since it is larger than the sum of its proper divisors (11140001).

25064973 is a wasteful number, since it uses less digits than its factorization.

25064973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785003 (or 2785000 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 25064973 is about 5006.4930839860. The cubic root of 25064973 is about 292.6548642998.

The spelling of 25064973 in words is "twenty-five million, sixty-four thousand, nine hundred seventy-three".