25461450 has 144 divisors (see below), whose sum is σ = 80084160. Its totient is φ = 5679360.

The previous prime is 25461431. The next prime is 25461467. The reversal of 25461450 is 5416452.

It is a super-2 number, since 2×25461450² = 1296570872205000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 185782 + ... + 185918.

It is an arithmetic number, because the mean of its divisors is an integer number (556140).

Almost surely, 2^25461450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25461450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40042080).

25461450 is an abundant number, since it is smaller than the sum of its proper divisors (54622710).

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

25461450 is a wasteful number, since it uses less digits than its factorization.

25461450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 25461450 is about 5045.9340067028. The cubic root of 25461450 is about 294.1898676373.

The spelling of 25461450 in words is "twenty-five million, four hundred sixty-one thousand, four hundred fifty".