25761942 has 16 divisors (see below), whose sum is σ = 57248880. Its totient is φ = 8587296.

The previous prime is 25761941. The next prime is 25761971. The reversal of 25761942 is 24916752.

It is a super-2 number, since 2×25761942² = 1327355311222728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25761897 and 25761906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25761941) 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, 238483 + ... + 238590.

It is an arithmetic number, because the mean of its divisors is an integer number (3578055).

Almost surely, 2^25761942 is an apocalyptic number.

25761942 is an abundant number, since it is smaller than the sum of its proper divisors (31486938).

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

25761942 is a wasteful number, since it uses less digits than its factorization.

25761942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477084 (or 477078 counting only the distinct ones).

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

The square root of 25761942 is about 5075.6223263754. The cubic root of 25761942 is about 295.3426717976.

The spelling of 25761942 in words is "twenty-five million, seven hundred sixty-one thousand, nine hundred forty-two".