25542674 has 4 divisors (see below), whose sum is σ = 38314014. Its totient is φ = 12771336.

The previous prime is 25542641. The next prime is 25542677. The reversal of 25542674 is 47624552.

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., 23454649 + 2088025 = 4843^2 + 1445^2 .

It is not an unprimeable number, because it can be changed into a prime (25542677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6385667 + ... + 6385670.

Almost surely, 2^25542674 is an apocalyptic number.

25542674 is a deficient number, since it is larger than the sum of its proper divisors (12771340).

25542674 is a wasteful number, since it uses less digits than its factorization.

25542674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12771339.

The product of its digits is 67200, while the sum is 35.

The square root of 25542674 is about 5053.9760585108. The cubic root of 25542674 is about 294.5023650728.

The spelling of 25542674 in words is "twenty-five million, five hundred forty-two thousand, six hundred seventy-four".