25893220 has 24 divisors (see below), whose sum is σ = 54747000. Its totient is φ = 10286592.

The previous prime is 25893211. The next prime is 25893221. The reversal of 25893220 is 2239852.

It can be written as a sum of positive squares in 4 ways, for example, as 2795584 + 23097636 = 1672^2 + 4806^2 .

It is not an unprimeable number, because it can be changed into a prime (25893221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365 + ... + 7324.

It is an arithmetic number, because the mean of its divisors is an integer number (2281125).

Almost surely, 2^25893220 is an apocalyptic number.

25893220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25893220 is an abundant number, since it is smaller than the sum of its proper divisors (28853780).

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

25893220 is a wasteful number, since it uses less digits than its factorization.

25893220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8847 (or 8845 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 25893220 is about 5088.5381004764. The cubic root of 25893220 is about 295.8434922562.

The spelling of 25893220 in words is "twenty-five million, eight hundred ninety-three thousand, two hundred twenty".