1961747 has 2 divisors, whose sum is σ = 1961748. Its totient is φ = 1961746.

The previous prime is 1961741. The next prime is 1961753. The reversal of 1961747 is 7471691.

It is a balanced prime because it is at equal distance from previous prime (1961741) and next prime (1961753).

It is an emirp because it is prime and its reverse (7471691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1961747 - 2⁶ = 1961683 is a prime.

It is a super-3 number, since 3×1961747³ = 22649063330234339169, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1961741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980873 + 980874.

It is an arithmetic number, because the mean of its divisors is an integer number (980874).

2^1961747 is an apocalyptic number.

1961747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1961747 is an equidigital number, since it uses as much as digits as its factorization.

1961747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

The square root of 1961747 is about 1400.6237896023. The cubic root of 1961747 is about 125.1836660022.

The spelling of 1961747 in words is "one million, nine hundred sixty-one thousand, seven hundred forty-seven".