25623102 has 8 divisors (see below), whose sum is σ = 51246216. Its totient is φ = 8541032.

The previous prime is 25623061. The next prime is 25623109. The reversal of 25623102 is 20132652.

It is a sphenic number, since it is the product of 3 distinct primes.

25623102 is an admirable number.

It is a super-2 number, since 2×25623102² = 1313086712204808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25623109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135253 + ... + 2135264.

It is an arithmetic number, because the mean of its divisors is an integer number (6405777).

Almost surely, 2^25623102 is an apocalyptic number.

25623102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25623102 is a wasteful number, since it uses less digits than its factorization.

25623102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270522.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25623102 is about 5061.9267082802. The cubic root of 25623102 is about 294.8111479196.

Adding to 25623102 its reverse (20132652), we get a palindrome (45755754).

The spelling of 25623102 in words is "twenty-five million, six hundred twenty-three thousand, one hundred two".