5198930251 has 2 divisors, whose sum is σ = 5198930252. Its totient is φ = 5198930250.

The previous prime is 5198930221. The next prime is 5198930353. The reversal of 5198930251 is 1520398915.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5198930251 - 2²⁵ = 5165375819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5198930198 and 5198930207.

It is not a weakly prime, because it can be changed into another prime (5198930221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599465125 + 2599465126.

It is an arithmetic number, because the mean of its divisors is an integer number (2599465126).

Almost surely, 2^5198930251 is an apocalyptic number.

5198930251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5198930251 is an equidigital number, since it uses as much as digits as its factorization.

5198930251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 5198930251 is about 72103.6077530105. The cubic root of 5198930251 is about 1732.3594001730.

The spelling of 5198930251 in words is "five billion, one hundred ninety-eight million, nine hundred thirty thousand, two hundred fifty-one".