964201081 has 2 divisors, whose sum is σ = 964201082. Its totient is φ = 964201080.

The previous prime is 964201061. The next prime is 964201097. The reversal of 964201081 is 180102469.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 634233856 + 329967225 = 25184^2 + 18165^2 .

It is an emirp because it is prime and its reverse (180102469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 964201081 - 2²⁵ = 930646649 is a prime.

It is a super-2 number, since 2×964201081² = 1859367449203137122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (964201031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482100540 + 482100541.

It is an arithmetic number, because the mean of its divisors is an integer number (482100541).

Almost surely, 2^964201081 is an apocalyptic number.

It is an amenable number.

964201081 is a deficient number, since it is larger than the sum of its proper divisors (1).

964201081 is an equidigital number, since it uses as much as digits as its factorization.

964201081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 964201081 is about 31051.5874151387. The cubic root of 964201081 is about 987.9217297319.

The spelling of 964201081 in words is "nine hundred sixty-four million, two hundred one thousand, eighty-one".