25064142233 has 4 divisors (see below), whose sum is σ = 26992153188. Its totient is φ = 23136131280.

The previous prime is 25064142221. The next prime is 25064142251. The reversal of 25064142233 is 33224146052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2503201024 + 22560941209 = 50032^2 + 150203^2 .

It is a cyclic number.

It is not a de Polignac number, because 25064142233 - 2¹⁸ = 25063880089 is a prime.

It is a super-2 number, since 2×25064142233² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25064142233.

It is not an unprimeable number, because it can be changed into a prime (25064142283) 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, 964005458 + ... + 964005483.

It is an arithmetic number, because the mean of its divisors is an integer number (6748038297).

Almost surely, 2^25064142233 is an apocalyptic number.

It is an amenable number.

25064142233 is a deficient number, since it is larger than the sum of its proper divisors (1928010955).

25064142233 is a wasteful number, since it uses less digits than its factorization.

25064142233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928010954.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 25064142233 its reverse (33224146052), we get a palindrome (58288288285).

The spelling of 25064142233 in words is "twenty-five billion, sixty-four million, one hundred forty-two thousand, two hundred thirty-three".