1770961 has 2 divisors, whose sum is σ = 1770962. Its totient is φ = 1770960.

The previous prime is 1770949. The next prime is 1770973. The reversal of 1770961 is 1690771.

It is a balanced prime because it is at equal distance from previous prime (1770949) and next prime (1770973).

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 28561 = 1320^2 + 169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1770961 - 2⁹ = 1770449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1770911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885480 + 885481.

It is an arithmetic number, because the mean of its divisors is an integer number (885481).

2^1770961 is an apocalyptic number.

It is an amenable number.

1770961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1770961 is an equidigital number, since it uses as much as digits as its factorization.

1770961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 1770961 is about 1330.7745864721. The cubic root of 1770961 is about 120.9863381884.

The spelling of 1770961 in words is "one million, seven hundred seventy thousand, nine hundred sixty-one".