25713427 has 8 divisors (see below), whose sum is σ = 26444880. Its totient is φ = 24991200.

The previous prime is 25713419. The next prime is 25713433. The reversal of 25713427 is 72431752.

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

It is a cyclic number.

It is not a de Polignac number, because 25713427 - 2³ = 25713419 is a prime.

It is a super-2 number, since 2×25713427² = 1322360656168658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25713407) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3552 + ... + 8002.

It is an arithmetic number, because the mean of its divisors is an integer number (3305610).

Almost surely, 2^25713427 is an apocalyptic number.

25713427 is a deficient number, since it is larger than the sum of its proper divisors (731453).

25713427 is a wasteful number, since it uses less digits than its factorization.

25713427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613.

The product of its digits is 11760, while the sum is 31.

The square root of 25713427 is about 5070.8408572938. The cubic root of 25713427 is about 295.1571584323.

The spelling of 25713427 in words is "twenty-five million, seven hundred thirteen thousand, four hundred twenty-seven".