25212304433 has 8 divisors (see below), whose sum is σ = 26109298176. Its totient is φ = 24320541600.

The previous prime is 25212304399. The next prime is 25212304441. The reversal of 25212304433 is 33440321252.

It is a happy number.

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

It is not a de Polignac number, because 25212304433 - 2²² = 25208110129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25212304396 and 25212304405.

It is not an unprimeable number, because it can be changed into a prime (25212304463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297916 + ... + 1317197.

It is an arithmetic number, because the mean of its divisors is an integer number (3263662272).

Almost surely, 2^25212304433 is an apocalyptic number.

It is an amenable number.

25212304433 is a deficient number, since it is larger than the sum of its proper divisors (896993743).

25212304433 is a wasteful number, since it uses less digits than its factorization.

25212304433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615455.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 25212304433 its reverse (33440321252), we get a palindrome (58652625685).

The spelling of 25212304433 in words is "twenty-five billion, two hundred twelve million, three hundred four thousand, four hundred thirty-three".