25980433 has 8 divisors (see below), whose sum is σ = 26951400. Its totient is φ = 25014528.

The previous prime is 25980431. The next prime is 25980439. The reversal of 25980433 is 33408952.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1024 + 25979409 = 32^2 + 5097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25980433 - 2¹ = 25980431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25980431) 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, 11523 + ... + 13591.

It is an arithmetic number, because the mean of its divisors is an integer number (3368925).

Almost surely, 2^25980433 is an apocalyptic number.

It is an amenable number.

25980433 is a deficient number, since it is larger than the sum of its proper divisors (970967).

25980433 is a wasteful number, since it uses less digits than its factorization.

25980433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 25980433 is about 5097.1004502560. The cubic root of 25980433 is about 296.1752713174.

The spelling of 25980433 in words is "twenty-five million, nine hundred eighty thousand, four hundred thirty-three".