1491701 has 2 divisors, whose sum is σ = 1491702. Its totient is φ = 1491700.

The previous prime is 1491683. The next prime is 1491719. The reversal of 1491701 is 1071941.

It is a balanced prime because it is at equal distance from previous prime (1491683) and next prime (1491719).

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 303601 = 1090^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1491701 - 2¹⁰ = 1490677 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1491761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745850 + 745851.

It is an arithmetic number, because the mean of its divisors is an integer number (745851).

2^1491701 is an apocalyptic number.

It is an amenable number.

1491701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1491701 is an equidigital number, since it uses as much as digits as its factorization.

1491701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1491701 is about 1221.3521195790. The cubic root of 1491701 is about 114.2599229747.

The spelling of 1491701 in words is "one million, four hundred ninety-one thousand, seven hundred one".