1956761 has 2 divisors, whose sum is σ = 1956762. Its totient is φ = 1956760.

The previous prime is 1956749. The next prime is 1956763. The reversal of 1956761 is 1676591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 648025 = 1144^2 + 805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1956761 - 2¹⁴ = 1940377 is a prime.

It is a super-2 number, since 2×1956761² = 7657827222242, which contains 22 as substring.

Together with 1956763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1956763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978380 + 978381.

It is an arithmetic number, because the mean of its divisors is an integer number (978381).

2^1956761 is an apocalyptic number.

It is an amenable number.

1956761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1956761 is an equidigital number, since it uses as much as digits as its factorization.

1956761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 35.

The square root of 1956761 is about 1398.8427359786. The cubic root of 1956761 is about 125.0775199154.

The spelling of 1956761 in words is "one million, nine hundred fifty-six thousand, seven hundred sixty-one".