25961742 has 16 divisors (see below), whose sum is σ = 57692880. Its totient is φ = 8653896.

The previous prime is 25961717. The next prime is 25961743. The reversal of 25961742 is 24716952.

It is a junction number, because it is equal to n+sod(n) for n = 25961697 and 25961706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25961743) 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, 240333 + ... + 240440.

It is an arithmetic number, because the mean of its divisors is an integer number (3605805).

Almost surely, 2^25961742 is an apocalyptic number.

25961742 is an abundant number, since it is smaller than the sum of its proper divisors (31731138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25961742 is a wasteful number, since it uses less digits than its factorization.

25961742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480784 (or 480778 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 25961742 is about 5095.2666269784. The cubic root of 25961742 is about 296.1042288773.

It can be divided in two parts, 259 and 61742, that added together give a square (62001 = 249²).

The spelling of 25961742 in words is "twenty-five million, nine hundred sixty-one thousand, seven hundred forty-two".