5133251261 has 16 divisors (see below), whose sum is σ = 5451557760. Its totient is φ = 4819953600.

The previous prime is 5133251243. The next prime is 5133251293. The reversal of 5133251261 is 1621523315.

It is a cyclic number.

It is not a de Polignac number, because 5133251261 - 2⁶ = 5133251197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5133251861) 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, 1034336 + ... + 1039286.

It is an arithmetic number, because the mean of its divisors is an integer number (340722360).

Almost surely, 2^5133251261 is an apocalyptic number.

It is an amenable number.

5133251261 is a deficient number, since it is larger than the sum of its proper divisors (318306499).

5133251261 is a wasteful number, since it uses less digits than its factorization.

5133251261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444.

The product of its digits is 5400, while the sum is 29.

The square root of 5133251261 is about 71646.7114458159. The cubic root of 5133251261 is about 1725.0333969310.

Adding to 5133251261 its reverse (1621523315), we get a palindrome (6754774576).

The spelling of 5133251261 in words is "five billion, one hundred thirty-three million, two hundred fifty-one thousand, two hundred sixty-one".