25280701 has 4 divisors (see below), whose sum is σ = 25299232. Its totient is φ = 25262172.

The previous prime is 25280687. The next prime is 25280713. The reversal of 25280701 is 10708252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25280701 - 2⁵ = 25280669 is a prime.

It is a super-2 number, since 2×25280701² = 1278227686102802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25280791) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7041 + ... + 10006.

It is an arithmetic number, because the mean of its divisors is an integer number (6324808).

Almost surely, 2^25280701 is an apocalyptic number.

It is an amenable number.

25280701 is a deficient number, since it is larger than the sum of its proper divisors (18531).

25280701 is a wasteful number, since it uses less digits than its factorization.

25280701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18530.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 25280701 is about 5027.9917462144. The cubic root of 25280701 is about 293.4920695889.

Adding to 25280701 its reverse (10708252), we get a palindrome (35988953).

The spelling of 25280701 in words is "twenty-five million, two hundred eighty thousand, seven hundred one".