963181 has 2 divisors, whose sum is σ = 963182. Its totient is φ = 963180.

The previous prime is 963173. The next prime is 963187. The reversal of 963181 is 181369.

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., 826281 + 136900 = 909^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 963181 - 2³ = 963173 is a prime.

It is a super-2 number, since 2×963181² = 1855435277522, which contains 22 as substring.

963181 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (963187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481590 + 481591.

It is an arithmetic number, because the mean of its divisors is an integer number (481591).

2⁹⁶³¹⁸¹ is an apocalyptic number.

It is an amenable number.

963181 is a deficient number, since it is larger than the sum of its proper divisors (1).

963181 is an equidigital number, since it uses as much as digits as its factorization.

963181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 963181 is about 981.4178518857. The cubic root of 963181 is about 98.7573214675.

It can be divided in two parts, 9 and 63181, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 963181 in words is "nine hundred sixty-three thousand, one hundred eighty-one".