25255433 has 16 divisors (see below), whose sum is σ = 30480000. Its totient is φ = 20892816.

The previous prime is 25255429. The next prime is 25255463. The reversal of 25255433 is 33455252.

It is not a de Polignac number, because 25255433 - 2² = 25255429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25255396 and 25255405.

It is not an unprimeable number, because it can be changed into a prime (25255463) 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, 8678 + ... + 11216.

It is an arithmetic number, because the mean of its divisors is an integer number (1905000).

Almost surely, 2^25255433 is an apocalyptic number.

It is an amenable number.

25255433 is a deficient number, since it is larger than the sum of its proper divisors (5224567).

25255433 is an equidigital number, since it uses as much as digits as its factorization.

25255433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589 (or 2575 counting only the distinct ones).

The product of its digits is 18000, while the sum is 29.

The square root of 25255433 is about 5025.4783851888. The cubic root of 25255433 is about 293.3942554535.

The spelling of 25255433 in words is "twenty-five million, two hundred fifty-five thousand, four hundred thirty-three".