5185250251 has 2 divisors, whose sum is σ = 5185250252. Its totient is φ = 5185250250.

The previous prime is 5185250207. The next prime is 5185250261. The reversal of 5185250251 is 1520525815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5185250251 - 2¹³ = 5185242059 is a prime.

It is not a weakly prime, because it can be changed into another prime (5185250261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592625125 + 2592625126.

It is an arithmetic number, because the mean of its divisors is an integer number (2592625126).

Almost surely, 2^5185250251 is an apocalyptic number.

5185250251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185250251 is an equidigital number, since it uses as much as digits as its factorization.

5185250251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20000, while the sum is 34.

The square root of 5185250251 is about 72008.6817751860. The cubic root of 5185250251 is about 1730.8386069790.

The spelling of 5185250251 in words is "five billion, one hundred eighty-five million, two hundred fifty thousand, two hundred fifty-one".