25216474 has 8 divisors (see below), whose sum is σ = 40049748. Its totient is φ = 11866560.

The previous prime is 25216469. The next prime is 25216481. The reversal of 25216474 is 47461252.

It can be written as a sum of positive squares in 2 ways, for example, as 24433249 + 783225 = 4943^2 + 885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 370797 + ... + 370864.

Almost surely, 2^25216474 is an apocalyptic number.

25216474 is a deficient number, since it is larger than the sum of its proper divisors (14833274).

25216474 is a wasteful number, since it uses less digits than its factorization.

25216474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741680.

The product of its digits is 13440, while the sum is 31.

The square root of 25216474 is about 5021.6007407997. The cubic root of 25216474 is about 293.2433146068.

The spelling of 25216474 in words is "twenty-five million, two hundred sixteen thousand, four hundred seventy-four".