25303942 has 4 divisors (see below), whose sum is σ = 37955916. Its totient is φ = 12651970.

The previous prime is 25303931. The next prime is 25303951. The reversal of 25303942 is 24930352.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25303942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325984 + ... + 6325987.

It is an arithmetic number, because the mean of its divisors is an integer number (9488979).

Almost surely, 2^25303942 is an apocalyptic number.

25303942 is a deficient number, since it is larger than the sum of its proper divisors (12651974).

25303942 is a wasteful number, since it uses less digits than its factorization.

25303942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12651973.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 25303942 is about 5030.3023765973. The cubic root of 25303942 is about 293.5819795432.

The spelling of 25303942 in words is "twenty-five million, three hundred three thousand, nine hundred forty-two".