25280134 has 16 divisors (see below), whose sum is σ = 41737680. Its totient is φ = 11388160.

The previous prime is 25280113. The next prime is 25280137. The reversal of 25280134 is 43108252.

It is a junction number, because it is equal to n+sod(n) for n = 25280099 and 25280108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25280137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2599 + ... + 7570.

It is an arithmetic number, because the mean of its divisors is an integer number (2608605).

Almost surely, 2^25280134 is an apocalyptic number.

25280134 is a deficient number, since it is larger than the sum of its proper divisors (16457546).

25280134 is a wasteful number, since it uses less digits than its factorization.

25280134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295.

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

The square root of 25280134 is about 5027.9353615575. The cubic root of 25280134 is about 293.4898754086.

Adding to 25280134 its reverse (43108252), we get a palindrome (68388386).

The spelling of 25280134 in words is "twenty-five million, two hundred eighty thousand, one hundred thirty-four".