7145211 has 4 divisors (see below), whose sum is σ = 9526952. Its totient is φ = 4763472.

The previous prime is 7145209. The next prime is 7145231. The reversal of 7145211 is 1125417.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7145211 - 2¹ = 7145209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7145231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190866 + ... + 1190871.

It is an arithmetic number, because the mean of its divisors is an integer number (2381738).

Almost surely, 2^7145211 is an apocalyptic number.

7145211 is a deficient number, since it is larger than the sum of its proper divisors (2381741).

7145211 is a wasteful number, since it uses less digits than its factorization.

7145211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381740.

The product of its digits is 280, while the sum is 21.

The square root of 7145211 is about 2673.0527491989. The cubic root of 7145211 is about 192.6068311269.

The spelling of 7145211 in words is "seven million, one hundred forty-five thousand, two hundred eleven".