25260659 has 4 divisors (see below), whose sum is σ = 25401960. Its totient is φ = 25119360.

The previous prime is 25260637. The next prime is 25260661. The reversal of 25260659 is 95606252.

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

It is a cyclic number.

It is not a de Polignac number, because 25260659 - 2¹² = 25256563 is a prime.

It is a super-2 number, since 2×25260659² = 1276201786228562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25260689) 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, 70382 + ... + 70739.

It is an arithmetic number, because the mean of its divisors is an integer number (6350490).

Almost surely, 2^25260659 is an apocalyptic number.

25260659 is a deficient number, since it is larger than the sum of its proper divisors (141301).

25260659 is a wasteful number, since it uses less digits than its factorization.

25260659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141300.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 25260659 is about 5025.9983087940. The cubic root of 25260659 is about 293.4144910022.

The spelling of 25260659 in words is "twenty-five million, two hundred sixty thousand, six hundred fifty-nine".