1961093 has 2 divisors, whose sum is σ = 1961094. Its totient is φ = 1961092.

The previous prime is 1961083. The next prime is 1961107. The reversal of 1961093 is 3901691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1592644 + 368449 = 1262^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 1961093 - 2⁴ = 1961077 is a prime.

It is a Sophie Germain 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 (1961033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980546 + 980547.

It is an arithmetic number, because the mean of its divisors is an integer number (980547).

2^1961093 is an apocalyptic number.

It is an amenable number.

1961093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1961093 is an equidigital number, since it uses as much as digits as its factorization.

1961093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1961093 is about 1400.3903027371. The cubic root of 1961093 is about 125.1697533660.

The spelling of 1961093 in words is "one million, nine hundred sixty-one thousand, ninety-three".