25372705 has 8 divisors (see below), whose sum is σ = 30479400. Its totient is φ = 20276736.

The previous prime is 25372679. The next prime is 25372723. The reversal of 25372705 is 50727352.

It can be written as a sum of positive squares in 4 ways, for example, as 10131489 + 15241216 = 3183^2 + 3904^2 .

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 25372705 - 2⁵ = 25372673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4081 + ... + 8209.

It is an arithmetic number, because the mean of its divisors is an integer number (3809925).

Almost surely, 2^25372705 is an apocalyptic number.

It is an amenable number.

25372705 is a deficient number, since it is larger than the sum of its proper divisors (5106695).

25372705 is a wasteful number, since it uses less digits than its factorization.

25372705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 25372705 is about 5037.1326168764. The cubic root of 25372705 is about 293.8476735704.

The spelling of 25372705 in words is "twenty-five million, three hundred seventy-two thousand, seven hundred five".