25042206 has 16 divisors (see below), whose sum is σ = 57239424. Its totient is φ = 7154904.

The previous prime is 25042189. The next prime is 25042223. The reversal of 25042206 is 60224052.

It is an interprime number because it is at equal distance from previous prime (25042189) and next prime (25042223).

It is a super-2 number, since 2×25042206² = 1254224162692872, which contains 22 as substring.

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

It is a congruent number.

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, 298080 + ... + 298163.

It is an arithmetic number, because the mean of its divisors is an integer number (3577464).

Almost surely, 2^25042206 is an apocalyptic number.

25042206 is an abundant number, since it is smaller than the sum of its proper divisors (32197218).

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

25042206 is a wasteful number, since it uses less digits than its factorization.

25042206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596255.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25042206 is about 5004.2188201556. The cubic root of 25042206 is about 292.5662294327.

Adding to 25042206 its reverse (60224052), we get a palindrome (85266258).

The spelling of 25042206 in words is "twenty-five million, forty-two thousand, two hundred six".