25949242 has 16 divisors (see below), whose sum is σ = 44960832. Its totient is φ = 11101120.

The previous prime is 25949227. The next prime is 25949251. The reversal of 25949242 is 24294952.

It is a super-3 number, since 3×25949242³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34318 + ... + 35065.

It is an arithmetic number, because the mean of its divisors is an integer number (2810052).

Almost surely, 2^25949242 is an apocalyptic number.

25949242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25949242 is a deficient number, since it is larger than the sum of its proper divisors (19011590).

25949242 is a wasteful number, since it uses less digits than its factorization.

25949242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69413.

The product of its digits is 51840, while the sum is 37.

The square root of 25949242 is about 5094.0398506490. The cubic root of 25949242 is about 296.0566987199.

The spelling of 25949242 in words is "twenty-five million, nine hundred forty-nine thousand, two hundred forty-two".