1961077 has 2 divisors, whose sum is σ = 1961078. Its totient is φ = 1961076.

The previous prime is 1961059. The next prime is 1961083. The reversal of 1961077 is 7701691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1343281 + 617796 = 1159^2 + 786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1961077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1961027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980538 + 980539.

It is an arithmetic number, because the mean of its divisors is an integer number (980539).

2^1961077 is an apocalyptic number.

It is an amenable number.

1961077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1961077 is an equidigital number, since it uses as much as digits as its factorization.

1961077 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 1961077 is about 1400.3845900323. The cubic root of 1961077 is about 125.1694129569.

The spelling of 1961077 in words is "one million, nine hundred sixty-one thousand, seventy-seven".