25040106 has 48 divisors (see below), whose sum is σ = 66777984. Its totient is φ = 6603552.

The previous prime is 25040051. The next prime is 25040107. The reversal of 25040106 is 60104052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (25040107) 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, 6006 + ... + 9281.

It is an arithmetic number, because the mean of its divisors is an integer number (1391208).

Almost surely, 2^25040106 is an apocalyptic number.

25040106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25040106 is an abundant number, since it is smaller than the sum of its proper divisors (41737878).

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

25040106 is a wasteful number, since it uses less digits than its factorization.

25040106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15315 (or 15312 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25040106 is about 5004.0089927977. The cubic root of 25040106 is about 292.5580511561.

Adding to 25040106 its reverse (60104052), we get a palindrome (85144158).

The spelling of 25040106 in words is "twenty-five million, forty thousand, one hundred six".