25275954 has 32 divisors (see below), whose sum is σ = 56090880. Its totient is φ = 7528400.

The previous prime is 25275949. The next prime is 25275961. The reversal of 25275954 is 45957252.

It is a super-2 number, since 2×25275954² = 1277747701220232, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 649 + ... + 7139.

It is an arithmetic number, because the mean of its divisors is an integer number (1752840).

Almost surely, 2^25275954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25275954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28045440).

25275954 is an abundant number, since it is smaller than the sum of its proper divisors (30814926).

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

25275954 is a wasteful number, since it uses less digits than its factorization.

25275954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566.

The product of its digits is 126000, while the sum is 39.

The square root of 25275954 is about 5027.5196667940. The cubic root of 25275954 is about 293.4736986048.

The spelling of 25275954 in words is "twenty-five million, two hundred seventy-five thousand, nine hundred fifty-four".