25063940 has 36 divisors (see below), whose sum is σ = 57859788. Its totient is φ = 9113280.

The previous prime is 25063939. The next prime is 25063949. The reversal of 25063940 is 4936052.

It can be written as a sum of positive squares in 2 ways, for example, as 10745284 + 14318656 = 3278^2 + 3784^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25063949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2759 + ... + 7598.

Almost surely, 2^25063940 is an apocalyptic number.

25063940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25063940 is an abundant number, since it is smaller than the sum of its proper divisors (32795848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25063940 is a wasteful number, since it uses less digits than its factorization.

25063940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10388 (or 10375 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 25063940 is about 5006.3899168962. The cubic root of 25063940 is about 292.6508438602.

Adding to 25063940 its reverse (4936052), we get a palindrome (29999992).

It can be divided in two parts, 2506 and 3940, that added together give a palindrome (6446).

The spelling of 25063940 in words is "twenty-five million, sixty-three thousand, nine hundred forty".