25230620 has 12 divisors (see below), whose sum is σ = 52984344. Its totient is φ = 10092240.

The previous prime is 25230619. The next prime is 25230643. The reversal of 25230620 is 2603252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1261531 = 25230620 / (2 + 5 + 2 + 3 + 0 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 25230592 and 25230601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630746 + ... + 630785.

It is an arithmetic number, because the mean of its divisors is an integer number (4415362).

Almost surely, 2^25230620 is an apocalyptic number.

25230620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25230620 is an abundant number, since it is smaller than the sum of its proper divisors (27753724).

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

25230620 is a wasteful number, since it uses less digits than its factorization.

25230620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261540 (or 1261538 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 25230620 is about 5023.0090583235. The cubic root of 25230620 is about 293.2981391430.

Adding to 25230620 its reverse (2603252), we get a palindrome (27833872).

The spelling of 25230620 in words is "twenty-five million, two hundred thirty thousand, six hundred twenty".