25710479 has 4 divisors (see below), whose sum is σ = 25868376. Its totient is φ = 25552584.

The previous prime is 25710473. The next prime is 25710491. The reversal of 25710479 is 97401752.

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

It is a cyclic number.

It is not a de Polignac number, because 25710479 - 2¹⁶ = 25644943 is a prime.

It is a super-2 number, since 2×25710479² = 1322057460818882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25710473) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 78704 + ... + 79029.

It is an arithmetic number, because the mean of its divisors is an integer number (6467094).

Almost surely, 2^25710479 is an apocalyptic number.

25710479 is a deficient number, since it is larger than the sum of its proper divisors (157897).

25710479 is a wasteful number, since it uses less digits than its factorization.

25710479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157896.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 25710479 is about 5070.5501673882. The cubic root of 25710479 is about 295.1458782483.

The spelling of 25710479 in words is "twenty-five million, seven hundred ten thousand, four hundred seventy-nine".