25134280 has 16 divisors (see below), whose sum is σ = 56552220. Its totient is φ = 10053696.

The previous prime is 25134259. The next prime is 25134281. The reversal of 25134280 is 8243152.

25134280 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 21696964 + 3437316 = 4658^2 + 1854^2 .

It is a super-2 number, since 2×25134280² = 1263464062236800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25134281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314139 + ... + 314218.

Almost surely, 2^25134280 is an apocalyptic number.

25134280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25134280 is an abundant number, since it is smaller than the sum of its proper divisors (31417940).

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

25134280 is a wasteful number, since it uses less digits than its factorization.

25134280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628368 (or 628364 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 25134280 is about 5013.4100171440. The cubic root of 25134280 is about 292.9243554408.

The spelling of 25134280 in words is "twenty-five million, one hundred thirty-four thousand, two hundred eighty".