25349782 has 4 divisors (see below), whose sum is σ = 38024676. Its totient is φ = 12674890.

The previous prime is 25349759. The next prime is 25349809. The reversal of 25349782 is 28794352.

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

It is a super-2 number, since 2×25349782² = 1285222894895048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) 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 polite number, since it can be written as a sum of consecutive naturals, namely, 6337444 + ... + 6337447.

It is an arithmetic number, because the mean of its divisors is an integer number (9506169).

Almost surely, 2^25349782 is an apocalyptic number.

25349782 is a deficient number, since it is larger than the sum of its proper divisors (12674894).

25349782 is a wasteful number, since it uses less digits than its factorization.

25349782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12674893.

The product of its digits is 120960, while the sum is 40.

The square root of 25349782 is about 5034.8567010393. The cubic root of 25349782 is about 293.7591545661.

The spelling of 25349782 in words is "twenty-five million, three hundred forty-nine thousand, seven hundred eighty-two".