25458013 has 8 divisors (see below), whose sum is σ = 29126528. Its totient is φ = 21797424.

The previous prime is 25458001. The next prime is 25458023. The reversal of 25458013 is 31085452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25458013 is a prime.

It is a super-2 number, since 2×25458013² = 1296220851816338, 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 (25458023) 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 7 ways as a sum of consecutive naturals, for example, 8920 + ... + 11422.

It is an arithmetic number, because the mean of its divisors is an integer number (3640816).

Almost surely, 2^25458013 is an apocalyptic number.

It is an amenable number.

25458013 is a deficient number, since it is larger than the sum of its proper divisors (3668515).

25458013 is a wasteful number, since it uses less digits than its factorization.

25458013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 25458013 is about 5045.5934239691. The cubic root of 25458013 is about 294.1766296367.

The spelling of 25458013 in words is "twenty-five million, four hundred fifty-eight thousand, thirteen".