25213532433 has 8 divisors (see below), whose sum is σ = 33673982496. Its totient is φ = 16781052000.

The previous prime is 25213532429. The next prime is 25213532447. The reversal of 25213532433 is 33423531252.

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

It is not a de Polignac number, because 25213532433 - 2² = 25213532429 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25213532394 and 25213532403.

It is not an unprimeable number, because it can be changed into a prime (25213532453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6990303 + ... + 6993908.

It is an arithmetic number, because the mean of its divisors is an integer number (4209247812).

Almost surely, 2^25213532433 is an apocalyptic number.

It is an amenable number.

25213532433 is a deficient number, since it is larger than the sum of its proper divisors (8460450063).

25213532433 is a wasteful number, since it uses less digits than its factorization.

25213532433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984815.

The product of its digits is 64800, while the sum is 33.

The spelling of 25213532433 in words is "twenty-five billion, two hundred thirteen million, five hundred thirty-two thousand, four hundred thirty-three".