25282890 has 24 divisors (see below), whose sum is σ = 65735748. Its totient is φ = 6742080.

The previous prime is 25282883. The next prime is 25282897. The reversal of 25282890 is 9828252.

It is an interprime number because it is at equal distance from previous prime (25282883) and next prime (25282897).

It can be written as a sum of positive squares in 2 ways, for example, as 20985561 + 4297329 = 4581^2 + 2073^2 .

It is not an unprimeable number, because it can be changed into a prime (25282897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140371 + ... + 140550.

Almost surely, 2^25282890 is an apocalyptic number.

25282890 is an abundant number, since it is smaller than the sum of its proper divisors (40452858).

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

25282890 is a wasteful number, since it uses less digits than its factorization.

25282890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280934 (or 280931 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 25282890 is about 5028.2094228463. The cubic root of 25282890 is about 293.5005402875.

The spelling of 25282890 in words is "twenty-five million, two hundred eighty-two thousand, eight hundred ninety".