25142794 has 4 divisors (see below), whose sum is σ = 37714194. Its totient is φ = 12571396.

The previous prime is 25142783. The next prime is 25142809. The reversal of 25142794 is 49724152.

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., 21483225 + 3659569 = 4635^2 + 1913^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285697 + ... + 6285700.

Almost surely, 2^25142794 is an apocalyptic number.

25142794 is a deficient number, since it is larger than the sum of its proper divisors (12571400).

25142794 is a wasteful number, since it uses less digits than its factorization.

25142794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12571399.

The product of its digits is 20160, while the sum is 34.

The square root of 25142794 is about 5014.2590678983. The cubic root of 25142794 is about 292.9574268266.

The spelling of 25142794 in words is "twenty-five million, one hundred forty-two thousand, seven hundred ninety-four".