25036245 has 24 divisors (see below), whose sum is σ = 46735416. Its totient is φ = 12325248.

The previous prime is 25036241. The next prime is 25036267. The reversal of 25036245 is 54263052.

It can be written as a sum of positive squares in 4 ways, for example, as 4297329 + 20738916 = 2073^2 + 4554^2 .

It is not a de Polignac number, because 25036245 - 2² = 25036241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25036241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20814 + ... + 21983.

It is an arithmetic number, because the mean of its divisors is an integer number (1947309).

Almost surely, 2^25036245 is an apocalyptic number.

It is an amenable number.

25036245 is a deficient number, since it is larger than the sum of its proper divisors (21699171).

25036245 is a wasteful number, since it uses less digits than its factorization.

25036245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42821 (or 42818 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 25036245 is about 5003.6231872514. The cubic root of 25036245 is about 292.5430136173.

Adding to 25036245 its reverse (54263052), we get a palindrome (79299297).

It can be divided in two parts, 25036 and 245, that added together give a square (25281 = 159²).

The spelling of 25036245 in words is "twenty-five million, thirty-six thousand, two hundred forty-five".