25608701 has 4 divisors (see below), whose sum is σ = 25648572. Its totient is φ = 25568832.

The previous prime is 25608691. The next prime is 25608703. The reversal of 25608701 is 10780652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4687225 + 20921476 = 2165^2 + 4574^2 .

It is a cyclic number.

It is not a de Polignac number, because 25608701 - 2¹⁰ = 25607677 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25608703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18956 + ... + 20261.

It is an arithmetic number, because the mean of its divisors is an integer number (6412143).

Almost surely, 2^25608701 is an apocalyptic number.

It is an amenable number.

25608701 is a deficient number, since it is larger than the sum of its proper divisors (39871).

25608701 is an equidigital number, since it uses as much as digits as its factorization.

25608701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39870.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 25608701 is about 5060.5040262804. The cubic root of 25608701 is about 294.7559064820.

The spelling of 25608701 in words is "twenty-five million, six hundred eight thousand, seven hundred one".