25423380 has 36 divisors (see below), whose sum is σ = 77118132. Its totient is φ = 6779520.

The previous prime is 25423373. The next prime is 25423393. The reversal of 25423380 is 8332452.

It can be written as a sum of positive squares in 2 ways, for example, as 16744464 + 8678916 = 4092^2 + 2946^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70441 + ... + 70800.

Almost surely, 2^25423380 is an apocalyptic number.

25423380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25423380 is an abundant number, since it is smaller than the sum of its proper divisors (51694752).

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

25423380 is a wasteful number, since it uses less digits than its factorization.

25423380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141256 (or 141251 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 25423380 is about 5042.1602513209. The cubic root of 25423380 is about 294.0431701150.

The spelling of 25423380 in words is "twenty-five million, four hundred twenty-three thousand, three hundred eighty".