25713146 has 16 divisors (see below), whose sum is σ = 41107176. Its totient is φ = 12020736.

The previous prime is 25713139. The next prime is 25713161. The reversal of 25713146 is 64131752.

It can be written as a sum of positive squares in 4 ways, for example, as 17732521 + 7980625 = 4211^2 + 2825^2 .

It is a super-2 number, since 2×25713146² = 1322331754434632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930 + ... + 7746.

Almost surely, 2^25713146 is an apocalyptic number.

25713146 is a deficient number, since it is larger than the sum of its proper divisors (15394030).

25713146 is a wasteful number, since it uses less digits than its factorization.

25713146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993.

The product of its digits is 5040, while the sum is 29.

The square root of 25713146 is about 5070.8131497818. The cubic root of 25713146 is about 295.1560832552.

Adding to 25713146 its reverse (64131752), we get a palindrome (89844898).

The spelling of 25713146 in words is "twenty-five million, seven hundred thirteen thousand, one hundred forty-six".