25042036 has 6 divisors (see below), whose sum is σ = 43823570. Its totient is φ = 12521016.

The previous prime is 25042033. The next prime is 25042063. The reversal of 25042036 is 63024052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 4284900 = 4556^2 + 2070^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25041998 and 25042016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25042033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3130251 + ... + 3130258.

Almost surely, 2^25042036 is an apocalyptic number.

It is an amenable number.

25042036 is a deficient number, since it is larger than the sum of its proper divisors (18781534).

25042036 is a wasteful number, since it uses less digits than its factorization.

25042036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260513 (or 6260511 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 25042036 is about 5004.2018344587. The cubic root of 25042036 is about 292.5655673987.

Adding to 25042036 its reverse (63024052), we get a palindrome (88066088).

The spelling of 25042036 in words is "twenty-five million, forty-two thousand, thirty-six".