5214250991 has 2 divisors, whose sum is σ = 5214250992. Its totient is φ = 5214250990.

The previous prime is 5214250957. The next prime is 5214251023. The reversal of 5214250991 is 1990524125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5214250991 - 2⁶ = 5214250927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5214250091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607125495 + 2607125496.

It is an arithmetic number, because the mean of its divisors is an integer number (2607125496).

Almost surely, 2^5214250991 is an apocalyptic number.

5214250991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5214250991 is an equidigital number, since it uses as much as digits as its factorization.

5214250991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 5214250991 is about 72209.7707446852. The cubic root of 5214250991 is about 1734.0594293459.

The spelling of 5214250991 in words is "five billion, two hundred fourteen million, two hundred fifty thousand, nine hundred ninety-one".