25387235 has 4 divisors (see below), whose sum is σ = 30464688. Its totient is φ = 20309784.

The previous prime is 25387213. The next prime is 25387237. The reversal of 25387235 is 53278352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25387235 - 2²⁰ = 24338659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25387195 and 25387204.

It is not an unprimeable number, because it can be changed into a prime (25387237) 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, 2538719 + ... + 2538728.

It is an arithmetic number, because the mean of its divisors is an integer number (7616172).

Almost surely, 2^25387235 is an apocalyptic number.

25387235 is a deficient number, since it is larger than the sum of its proper divisors (5077453).

25387235 is an equidigital number, since it uses as much as digits as its factorization.

25387235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077452.

The product of its digits is 50400, while the sum is 35.

The square root of 25387235 is about 5038.5746992577. The cubic root of 25387235 is about 293.9037547272.

The spelling of 25387235 in words is "twenty-five million, three hundred eighty-seven thousand, two hundred thirty-five".