7251199 has 2 divisors, whose sum is σ = 7251200. Its totient is φ = 7251198.

The previous prime is 7251169. The next prime is 7251221. The reversal of 7251199 is 9911527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7251199 - 2⁷ = 7251071 is a prime.

7251199 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7251169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3625599 + 3625600.

It is an arithmetic number, because the mean of its divisors is an integer number (3625600).

Almost surely, 2^7251199 is an apocalyptic number.

7251199 is a deficient number, since it is larger than the sum of its proper divisors (1).

7251199 is an equidigital number, since it uses as much as digits as its factorization.

7251199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 34.

The square root of 7251199 is about 2692.8050430731. The cubic root of 7251199 is about 193.5545008251.

The spelling of 7251199 in words is "seven million, two hundred fifty-one thousand, one hundred ninety-nine".