25393380 has 48 divisors (see below), whose sum is σ = 74196864. Its totient is φ = 6476800.

The previous prime is 25393373. The next prime is 25393387. The reversal of 25393380 is 8339352.

It is an interprime number because it is at equal distance from previous prime (25393373) and next prime (25393387).

It is not an unprimeable number, because it can be changed into a prime (25393387) 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, 7821 + ... + 10580.

It is an arithmetic number, because the mean of its divisors is an integer number (1545768).

Almost surely, 2^25393380 is an apocalyptic number.

25393380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25393380 is an abundant number, since it is smaller than the sum of its proper divisors (48803484).

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

25393380 is a wasteful number, since it uses less digits than its factorization.

25393380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18436 (or 18434 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 25393380 is about 5039.1844578265. The cubic root of 25393380 is about 293.9274660250.

The spelling of 25393380 in words is "twenty-five million, three hundred ninety-three thousand, three hundred eighty".