7141897 has 6 divisors (see below), whose sum is σ = 8307978. Its totient is φ = 6121584.

The previous prime is 7141889. The next prime is 7141903. The reversal of 7141897 is 7981417.

It can be written as a sum of positive squares in only one way, i.e., 5934096 + 1207801 = 2436^2 + 1099^2 .

It is not a de Polignac number, because 7141897 - 2³ = 7141889 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7141807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72828 + ... + 72925.

It is an arithmetic number, because the mean of its divisors is an integer number (1384663).

Almost surely, 2^7141897 is an apocalyptic number.

It is an amenable number.

7141897 is a deficient number, since it is larger than the sum of its proper divisors (1166081).

7141897 is a wasteful number, since it uses less digits than its factorization.

7141897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145767 (or 145760 counting only the distinct ones).

The product of its digits is 14112, while the sum is 37.

The square root of 7141897 is about 2672.4327868068. The cubic root of 7141897 is about 192.5770490464.

The spelling of 7141897 in words is "seven million, one hundred forty-one thousand, eight hundred ninety-seven".