25733380 has 12 divisors (see below), whose sum is σ = 54040140. Its totient is φ = 10293344.

The previous prime is 25733341. The next prime is 25733413. The reversal of 25733380 is 8333752.

It can be written as a sum of positive squares in 2 ways, for example, as 12787776 + 12945604 = 3576^2 + 3598^2 .

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, 643315 + ... + 643354.

It is an arithmetic number, because the mean of its divisors is an integer number (4503345).

Almost surely, 2^25733380 is an apocalyptic number.

25733380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25733380 is an abundant number, since it is smaller than the sum of its proper divisors (28306760).

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

25733380 is a wasteful number, since it uses less digits than its factorization.

25733380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286678 (or 1286676 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 25733380 is about 5072.8079009558. The cubic root of 25733380 is about 295.2334836420.

The spelling of 25733380 in words is "twenty-five million, seven hundred thirty-three thousand, three hundred eighty".