25798245 has 16 divisors (see below), whose sum is σ = 45029952. Its totient is φ = 12508160.

The previous prime is 25798243. The next prime is 25798259. The reversal of 25798245 is 54289752.

25798245 is nontrivially palindromic in base 13.

It is not a de Polignac number, because 25798245 - 2¹ = 25798243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25798197 and 25798206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25798243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78012 + ... + 78341.

It is an arithmetic number, because the mean of its divisors is an integer number (2814372).

Almost surely, 2^25798245 is an apocalyptic number.

It is an amenable number.

25798245 is a deficient number, since it is larger than the sum of its proper divisors (19231707).

25798245 is a wasteful number, since it uses less digits than its factorization.

25798245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156372.

The product of its digits is 201600, while the sum is 42.

The square root of 25798245 is about 5079.1972790983. The cubic root of 25798245 is about 295.4813361971.

The spelling of 25798245 in words is "twenty-five million, seven hundred ninety-eight thousand, two hundred forty-five".