32163961 has 2 divisors, whose sum is σ = 32163962. Its totient is φ = 32163960.

The previous prime is 32163947. The next prime is 32163991. The reversal of 32163961 is 16936123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30735936 + 1428025 = 5544^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 32163961 - 2¹³ = 32155769 is a prime.

It is not a weakly prime, because it can be changed into another prime (32163991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16081980 + 16081981.

It is an arithmetic number, because the mean of its divisors is an integer number (16081981).

Almost surely, 2^32163961 is an apocalyptic number.

It is an amenable number.

32163961 is a deficient number, since it is larger than the sum of its proper divisors (1).

32163961 is an equidigital number, since it uses as much as digits as its factorization.

32163961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 32163961 is about 5671.3279749984. The cubic root of 32163961 is about 318.0215199761.

It can be divided in two parts, 32163 and 961, that added together give a square (33124 = 182²).

The spelling of 32163961 in words is "thirty-two million, one hundred sixty-three thousand, nine hundred sixty-one".