5237155381 has 2 divisors, whose sum is σ = 5237155382. Its totient is φ = 5237155380.

The previous prime is 5237155367. The next prime is 5237155397. The reversal of 5237155381 is 1835517325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4982242225 + 254913156 = 70585^2 + 15966^2 .

It is a cyclic number.

It is not a de Polignac number, because 5237155381 - 2¹³ = 5237147189 is a prime.

It is a super-2 number, since 2×5237155381² = 54855592969474510322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5237155081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2618577690 + 2618577691.

It is an arithmetic number, because the mean of its divisors is an integer number (2618577691).

Almost surely, 2^5237155381 is an apocalyptic number.

It is an amenable number.

5237155381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5237155381 is an equidigital number, since it uses as much as digits as its factorization.

5237155381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 40.

The square root of 5237155381 is about 72368.1931583206. The cubic root of 5237155381 is about 1736.5947605544.

The spelling of 5237155381 in words is "five billion, two hundred thirty-seven million, one hundred fifty-five thousand, three hundred eighty-one".