25783245 has 32 divisors (see below), whose sum is σ = 46055040. Its totient is φ = 13685760.

The previous prime is 25783243. The next prime is 25783259. The reversal of 25783245 is 54238752.

It is not a de Polignac number, because 25783245 - 2¹ = 25783243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25783243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44397 + ... + 44973.

It is an arithmetic number, because the mean of its divisors is an integer number (1439220).

Almost surely, 2^25783245 is an apocalyptic number.

It is an amenable number.

25783245 is a deficient number, since it is larger than the sum of its proper divisors (20271795).

25783245 is a wasteful number, since it uses less digits than its factorization.

25783245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 916 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 25783245 is about 5077.7204531167. The cubic root of 25783245 is about 295.4240573740.

The spelling of 25783245 in words is "twenty-five million, seven hundred eighty-three thousand, two hundred forty-five".