25450041233 has 16 divisors (see below), whose sum is σ = 28191711744. Its totient is φ = 22871523840.

The previous prime is 25450041049. The next prime is 25450041257. The reversal of 25450041233 is 33214005452.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25450041233 is a prime.

It is a super-2 number, since 2×25450041233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25450041196 and 25450041205.

It is not an unprimeable number, because it can be changed into a prime (25450041833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355685 + ... + 421202.

It is an arithmetic number, because the mean of its divisors is an integer number (1761981984).

Almost surely, 2^25450041233 is an apocalyptic number.

It is an amenable number.

25450041233 is a deficient number, since it is larger than the sum of its proper divisors (2741670511).

25450041233 is a wasteful number, since it uses less digits than its factorization.

25450041233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776992.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 25450041233 its reverse (33214005452), we get a palindrome (58664046685).

The spelling of 25450041233 in words is "twenty-five billion, four hundred fifty million, forty-one thousand, two hundred thirty-three".