25220341033 has 4 divisors (see below), whose sum is σ = 25220876688. Its totient is φ = 25219805380.

The previous prime is 25220341021. The next prime is 25220341093. The reversal of 25220341033 is 33014302252.

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 a cyclic number.

It is not a de Polignac number, because 25220341033 - 2⁵ = 25220341001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25220340989 and 25220341007.

It is not an unprimeable number, because it can be changed into a prime (25220341093) 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, 189583 + ... + 293908.

It is an arithmetic number, because the mean of its divisors is an integer number (6305219172).

Almost surely, 2^25220341033 is an apocalyptic number.

It is an amenable number.

25220341033 is a deficient number, since it is larger than the sum of its proper divisors (535655).

25220341033 is an equidigital number, since it uses as much as digits as its factorization.

25220341033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535654.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 25220341033 its reverse (33014302252), we get a palindrome (58234643285).

The spelling of 25220341033 in words is "twenty-five billion, two hundred twenty million, three hundred forty-one thousand, thirty-three".