25275276 has 72 divisors (see below), whose sum is σ = 70171920. Its totient is φ = 7622784.

The previous prime is 25275251. The next prime is 25275287. The reversal of 25275276 is 67257252.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25275276.

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 23 ways as a sum of consecutive naturals, for example, 24295 + ... + 25313.

It is an arithmetic number, because the mean of its divisors is an integer number (974610).

Almost surely, 2^25275276 is an apocalyptic number.

25275276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25275276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35085960).

25275276 is an abundant number, since it is smaller than the sum of its proper divisors (44896644).

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

25275276 is a wasteful number, since it uses less digits than its factorization.

25275276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095 (or 1090 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 25275276 is about 5027.4522374658. The cubic root of 25275276 is about 293.4710745437.

The spelling of 25275276 in words is "twenty-five million, two hundred seventy-five thousand, two hundred seventy-six".