5251265333 has 4 divisors (see below), whose sum is σ = 5251937868. Its totient is φ = 5250592800.

The previous prime is 5251265329. The next prime is 5251265347. The reversal of 5251265333 is 3335621525.

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 2586434449 + 2664830884 = 50857^2 + 51622^2 .

It is a cyclic number.

It is not a de Polignac number, because 5251265333 - 2² = 5251265329 is a prime.

It is a super-3 number, since 3×5251265333³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5251265293 and 5251265302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251265233) 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, 324416 + ... + 340217.

It is an arithmetic number, because the mean of its divisors is an integer number (1312984467).

Almost surely, 2^5251265333 is an apocalyptic number.

It is an amenable number.

5251265333 is a deficient number, since it is larger than the sum of its proper divisors (672535).

5251265333 is an equidigital number, since it uses as much as digits as its factorization.

5251265333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672534.

The product of its digits is 81000, while the sum is 35.

The square root of 5251265333 is about 72465.6148321395. The cubic root of 5251265333 is about 1738.1529407897.

Adding to 5251265333 its reverse (3335621525), we get a palindrome (8586886858).

The spelling of 5251265333 in words is "five billion, two hundred fifty-one million, two hundred sixty-five thousand, three hundred thirty-three".