7142893 has 2 divisors, whose sum is σ = 7142894. Its totient is φ = 7142892.

The previous prime is 7142881. The next prime is 7142899. The reversal of 7142893 is 3982417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4380649 + 2762244 = 2093^2 + 1662^2 .

It is an emirp because it is prime and its reverse (3982417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7142893 - 2²¹ = 5045741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7142899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571446 + 3571447.

It is an arithmetic number, because the mean of its divisors is an integer number (3571447).

Almost surely, 2^7142893 is an apocalyptic number.

It is an amenable number.

7142893 is a deficient number, since it is larger than the sum of its proper divisors (1).

7142893 is an equidigital number, since it uses as much as digits as its factorization.

7142893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 7142893 is about 2672.6191273730. The cubic root of 7142893 is about 192.5860008149.

It can be divided in two parts, 7142 and 893, that multiplied together give a triangular number (6377806 = T₃₅₇₁).

The spelling of 7142893 in words is "seven million, one hundred forty-two thousand, eight hundred ninety-three".