25778038 has 32 divisors (see below), whose sum is σ = 45777312. Its totient is φ = 10732800.

The previous prime is 25778029. The next prime is 25778047. The reversal of 25778038 is 83087752.

It is an interprime number because it is at equal distance from previous prime (25778029) and next prime (25778047).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49218 + ... + 49738.

It is an arithmetic number, because the mean of its divisors is an integer number (1430541).

Almost surely, 2^25778038 is an apocalyptic number.

25778038 is a deficient number, since it is larger than the sum of its proper divisors (19999274).

25778038 is a wasteful number, since it uses less digits than its factorization.

25778038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 25778038 is about 5077.2076971501. The cubic root of 25778038 is about 295.4041687909.

The spelling of 25778038 in words is "twenty-five million, seven hundred seventy-eight thousand, thirty-eight".