25290276 has 48 divisors (see below), whose sum is σ = 65959488. Its totient is φ = 7475200.

The previous prime is 25290259. The next prime is 25290283. The reversal of 25290276 is 67209252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3076 + ... + 7748.

It is an arithmetic number, because the mean of its divisors is an integer number (1374156).

Almost surely, 2^25290276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25290276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32979744).

25290276 is an abundant number, since it is smaller than the sum of its proper divisors (40669212).

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

25290276 is a wasteful number, since it uses less digits than its factorization.

25290276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732 (or 4730 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 25290276 is about 5028.9438254966. The cubic root of 25290276 is about 293.5291180322.

The spelling of 25290276 in words is "twenty-five million, two hundred ninety thousand, two hundred seventy-six".