25754042 has 4 divisors (see below), whose sum is σ = 38631066. Its totient is φ = 12877020.

The previous prime is 25754023. The next prime is 25754051. The reversal of 25754042 is 24045752.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23222761 + 2531281 = 4819^2 + 1591^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25753996 and 25754014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6438509 + ... + 6438512.

Almost surely, 2^25754042 is an apocalyptic number.

25754042 is a deficient number, since it is larger than the sum of its proper divisors (12877024).

25754042 is a wasteful number, since it uses less digits than its factorization.

25754042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12877023.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 25754042 is about 5074.8440370124. The cubic root of 25754042 is about 295.3124793837.

Adding to 25754042 its reverse (24045752), we get a palindrome (49799794).

The spelling of 25754042 in words is "twenty-five million, seven hundred fifty-four thousand, forty-two".