7214154281 has 2 divisors, whose sum is σ = 7214154282. Its totient is φ = 7214154280.

The previous prime is 7214154229. The next prime is 7214154301. The reversal of 7214154281 is 1824514127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7201049881 + 13104400 = 84859^2 + 3620^2 .

It is an emirp because it is prime and its reverse (1824514127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7214154281 - 2¹⁸ = 7213892137 is a prime.

It is a super-2 number, since 2×7214154281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7214156281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3607077140 + 3607077141.

It is an arithmetic number, because the mean of its divisors is an integer number (3607077141).

Almost surely, 2^7214154281 is an apocalyptic number.

It is an amenable number.

7214154281 is a deficient number, since it is larger than the sum of its proper divisors (1).

7214154281 is an equidigital number, since it uses as much as digits as its factorization.

7214154281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17920, while the sum is 35.

The square root of 7214154281 is about 84936.1776924297. The cubic root of 7214154281 is about 1932.2432935392.

The spelling of 7214154281 in words is "seven billion, two hundred fourteen million, one hundred fifty-four thousand, two hundred eighty-one".