25250106 has 16 divisors (see below), whose sum is σ = 57714624. Its totient is φ = 7214304.

The previous prime is 25250087. The next prime is 25250123. The reversal of 25250106 is 60105252.

It is a super-2 number, since 2×25250106² = 1275135706022472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300555 + ... + 300638.

It is an arithmetic number, because the mean of its divisors is an integer number (3607164).

Almost surely, 2^25250106 is an apocalyptic number.

25250106 is an abundant number, since it is smaller than the sum of its proper divisors (32464518).

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

25250106 is a wasteful number, since it uses less digits than its factorization.

25250106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601205.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 25250106 is about 5024.9483579436. The cubic root of 25250106 is about 293.3736259504.

Adding to 25250106 its reverse (60105252), we get a palindrome (85355358).

The spelling of 25250106 in words is "twenty-five million, two hundred fifty thousand, one hundred six".