25720701 has 4 divisors (see below), whose sum is σ = 34294272. Its totient is φ = 17147132.

The previous prime is 25720691. The next prime is 25720727. The reversal of 25720701 is 10702752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25720701 - 2¹¹ = 25718653 is a prime.

It is a super-3 number, since 3×25720701³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25720771) 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, 4286781 + ... + 4286786.

It is an arithmetic number, because the mean of its divisors is an integer number (8573568).

Almost surely, 2^25720701 is an apocalyptic number.

It is an amenable number.

25720701 is a deficient number, since it is larger than the sum of its proper divisors (8573571).

25720701 is an equidigital number, since it uses as much as digits as its factorization.

25720701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8573570.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 25720701 is about 5071.5580446249. The cubic root of 25720701 is about 295.1849878714.

The spelling of 25720701 in words is "twenty-five million, seven hundred twenty thousand, seven hundred one".