961767601 has 2 divisors, whose sum is σ = 961767602. Its totient is φ = 961767600.

The previous prime is 961767581. The next prime is 961767607. The reversal of 961767601 is 106767169.

961767601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 961062001 + 705600 = 31001^2 + 840^2 .

It is an emirp because it is prime and its reverse (106767169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 961767601 - 2⁷ = 961767473 is a prime.

It is not a weakly prime, because it can be changed into another prime (961767607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480883800 + 480883801.

It is an arithmetic number, because the mean of its divisors is an integer number (480883801).

Almost surely, 2^961767601 is an apocalyptic number.

It is an amenable number.

961767601 is a deficient number, since it is larger than the sum of its proper divisors (1).

961767601 is an equidigital number, since it uses as much as digits as its factorization.

961767601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 961767601 is about 31012.3781900066. The cubic root of 961767601 is about 987.0899139201.

The spelling of 961767601 in words is "nine hundred sixty-one million, seven hundred sixty-seven thousand, six hundred one".