25345020 has 48 divisors (see below), whose sum is σ = 71221248. Its totient is φ = 6734400.

The previous prime is 25345003. The next prime is 25345027. The reversal of 25345020 is 2054352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25345027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21445 + ... + 22595.

It is an arithmetic number, because the mean of its divisors is an integer number (1483776).

Almost surely, 2^25345020 is an apocalyptic number.

25345020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25345020 is an abundant number, since it is smaller than the sum of its proper divisors (45876228).

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

25345020 is a wasteful number, since it uses less digits than its factorization.

25345020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25345020 is about 5034.3837755976. The cubic root of 25345020 is about 293.7407590272.

Adding to 25345020 its reverse (2054352), we get a palindrome (27399372).

The spelling of 25345020 in words is "twenty-five million, three hundred forty-five thousand, twenty".