25040782 has 16 divisors (see below), whose sum is σ = 40833072. Its totient is φ = 11448000.

The previous prime is 25040759. The next prime is 25040789. The reversal of 25040782 is 28704052.

It is a self number, because there is not a number n which added to its sum of digits gives 25040782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25040789) 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, 1719 + ... + 7282.

It is an arithmetic number, because the mean of its divisors is an integer number (2552067).

Almost surely, 2^25040782 is an apocalyptic number.

25040782 is a deficient number, since it is larger than the sum of its proper divisors (15792290).

25040782 is a wasteful number, since it uses less digits than its factorization.

25040782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9123.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 25040782 is about 5004.0765381836. The cubic root of 25040782 is about 292.5606838322.

The spelling of 25040782 in words is "twenty-five million, forty thousand, seven hundred eighty-two".