5185381207 has 2 divisors, whose sum is σ = 5185381208. Its totient is φ = 5185381206.

The previous prime is 5185381147. The next prime is 5185381217. The reversal of 5185381207 is 7021835815.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5185381207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5185381207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5185381217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592690603 + 2592690604.

It is an arithmetic number, because the mean of its divisors is an integer number (2592690604).

Almost surely, 2^5185381207 is an apocalyptic number.

5185381207 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185381207 is an equidigital number, since it uses as much as digits as its factorization.

5185381207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 5185381207 is about 72009.5910764670. The cubic root of 5185381207 is about 1730.8531779114.

The spelling of 5185381207 in words is "five billion, one hundred eighty-five million, three hundred eighty-one thousand, two hundred seven".