25474342 has 4 divisors (see below), whose sum is σ = 38211516. Its totient is φ = 12737170.

The previous prime is 25474333. The next prime is 25474357. The reversal of 25474342 is 24347452.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6368584 + ... + 6368587.

It is an arithmetic number, because the mean of its divisors is an integer number (9552879).

Almost surely, 2^25474342 is an apocalyptic number.

25474342 is a deficient number, since it is larger than the sum of its proper divisors (12737174).

25474342 is a wasteful number, since it uses less digits than its factorization.

25474342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12737173.

The product of its digits is 26880, while the sum is 31.

The square root of 25474342 is about 5047.2113092281. The cubic root of 25474342 is about 294.2395120453.

It can be divided in two parts, 2547 and 4342, that added together give a square (6889 = 83²).

The spelling of 25474342 in words is "twenty-five million, four hundred seventy-four thousand, three hundred forty-two".