25880745 has 32 divisors (see below), whose sum is σ = 45650304. Its totient is φ = 12416000.

The previous prime is 25880741. The next prime is 25880747. The reversal of 25880745 is 54708852.

It is not a de Polignac number, because 25880745 - 2² = 25880741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25880741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15889 + ... + 17441.

It is an arithmetic number, because the mean of its divisors is an integer number (1426572).

Almost surely, 2^25880745 is an apocalyptic number.

It is an amenable number.

25880745 is a deficient number, since it is larger than the sum of its proper divisors (19769559).

25880745 is a wasteful number, since it uses less digits than its factorization.

25880745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 25880745 is about 5087.3121586944. The cubic root of 25880745 is about 295.7959735052.

It can be divided in two parts, 258807 and 45, that added together give a palindrome (258852).

The spelling of 25880745 in words is "twenty-five million, eight hundred eighty thousand, seven hundred forty-five".