25880739 has 8 divisors (see below), whose sum is σ = 34536192. Its totient is φ = 17239560.

The previous prime is 25880737. The next prime is 25880741. The reversal of 25880739 is 93708852.

It is an interprime number because it is at equal distance from previous prime (25880737) and next prime (25880741).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25880739 - 2¹ = 25880737 is a prime.

It is a super-2 number, since 2×25880739² = 1339625302372242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25880739.

It is not an unprimeable number, because it can be changed into a prime (25880737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (4317024).

Almost surely, 2^25880739 is an apocalyptic number.

25880739 is a deficient number, since it is larger than the sum of its proper divisors (8655453).

25880739 is a wasteful number, since it uses less digits than its factorization.

25880739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 25880739 is about 5087.3115689920. The cubic root of 25880739 is about 295.7959506468.

The spelling of 25880739 in words is "twenty-five million, eight hundred eighty thousand, seven hundred thirty-nine".