125250204433 has 4 divisors (see below), whose sum is σ = 125974194228. Its totient is φ = 124526214640.

The previous prime is 125250204427. The next prime is 125250204491. The reversal of 125250204433 is 334402052521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334402052521 = 61 ⋅5482000861.

It can be written as a sum of positive squares in 2 ways, for example, as 96333882129 + 28916322304 = 310377^2 + 170048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125250204433 is a prime.

It is a super-2 number, since 2×125250204433² (a number of 23 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 = 125250204395 and 125250204404.

It is not an unprimeable number, because it can be changed into a prime (125250204413) 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, 361994638 + ... + 361994983.

It is an arithmetic number, because the mean of its divisors is an integer number (31493548557).

Almost surely, 2^125250204433 is an apocalyptic number.

It is an amenable number.

125250204433 is a deficient number, since it is larger than the sum of its proper divisors (723989795).

125250204433 is an equidigital number, since it uses as much as digits as its factorization.

125250204433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723989794.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 125250204433 its reverse (334402052521), we get a palindrome (459652256954).

The spelling of 125250204433 in words is "one hundred twenty-five billion, two hundred fifty million, two hundred four thousand, four hundred thirty-three".