25000530033 has 4 divisors (see below), whose sum is σ = 33334040048. Its totient is φ = 16667020020.

The previous prime is 25000530019. The next prime is 25000530043. The reversal of 25000530033 is 33003500052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25000530033 - 2⁵ = 25000530001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25000529991 and 25000530009.

It is not an unprimeable number, because it can be changed into a prime (25000530043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4166755003 + ... + 4166755008.

It is an arithmetic number, because the mean of its divisors is an integer number (8333510012).

Almost surely, 2^25000530033 is an apocalyptic number.

It is an amenable number.

25000530033 is a deficient number, since it is larger than the sum of its proper divisors (8333510015).

25000530033 is an equidigital number, since it uses as much as digits as its factorization.

25000530033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333510014.

The product of its (nonzero) digits is 1350, while the sum is 21.

The spelling of 25000530033 in words is "twenty-five billion, five hundred thirty thousand, thirty-three".