7140961 has 2 divisors, whose sum is σ = 7140962. Its totient is φ = 7140960.

The previous prime is 7140953. The next prime is 7140977. The reversal of 7140961 is 1690417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5832225 + 1308736 = 2415^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 7140961 - 2³ = 7140953 is a prime.

It is not a weakly prime, because it can be changed into another prime (7140911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570480 + 3570481.

It is an arithmetic number, because the mean of its divisors is an integer number (3570481).

Almost surely, 2^7140961 is an apocalyptic number.

It is an amenable number.

7140961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140961 is an equidigital number, since it uses as much as digits as its factorization.

7140961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 7140961 is about 2672.2576597327. The cubic root of 7140961 is about 192.5686357825.

The spelling of 7140961 in words is "seven million, one hundred forty thousand, nine hundred sixty-one".