25846530 has 16 divisors (see below), whose sum is σ = 62031744. Its totient is φ = 6892400.

The previous prime is 25846507. The next prime is 25846531. The reversal of 25846530 is 3564852.

It is a super-2 number, since 2×25846530² = 1336086226081800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25846491 and 25846500.

It is not an unprimeable number, because it can be changed into a prime (25846531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430746 + ... + 430805.

It is an arithmetic number, because the mean of its divisors is an integer number (3876984).

Almost surely, 2^25846530 is an apocalyptic number.

25846530 is an abundant number, since it is smaller than the sum of its proper divisors (36185214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25846530 is a wasteful number, since it uses less digits than its factorization.

25846530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861561.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 25846530 is about 5083.9482688163. The cubic root of 25846530 is about 295.6655660995.

The spelling of 25846530 in words is "twenty-five million, eight hundred forty-six thousand, five hundred thirty".