7150681 has 2 divisors, whose sum is σ = 7150682. Its totient is φ = 7150680.

The previous prime is 7150673. The next prime is 7150691. The reversal of 7150681 is 1860517.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4477456 + 2673225 = 2116^2 + 1635^2 .

It is an emirp because it is prime and its reverse (1860517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7150681 - 2³ = 7150673 is a prime.

It is a super-2 number, since 2×7150681² = 102264477527522, which contains 22 as substring.

It is a Chen prime.

It is equal to p₄₈₆₂₀₈ and since 7150681 and 486208 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (7150651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3575340 + 3575341.

It is an arithmetic number, because the mean of its divisors is an integer number (3575341).

Almost surely, 2^7150681 is an apocalyptic number.

It is an amenable number.

7150681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7150681 is an equidigital number, since it uses as much as digits as its factorization.

7150681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 7150681 is about 2674.0757281723. The cubic root of 7150681 is about 192.6559684969.

The spelling of 7150681 in words is "seven million, one hundred fifty thousand, six hundred eighty-one".