34143961 has 2 divisors, whose sum is σ = 34143962. Its totient is φ = 34143960.

The previous prime is 34143953. The next prime is 34143997. The reversal of 34143961 is 16934143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32844361 + 1299600 = 5731^2 + 1140^2 .

It is an emirp because it is prime and its reverse (16934143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34143961 - 2³ = 34143953 is a prime.

It is not a weakly prime, because it can be changed into another prime (34140961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17071980 + 17071981.

It is an arithmetic number, because the mean of its divisors is an integer number (17071981).

Almost surely, 2^34143961 is an apocalyptic number.

It is an amenable number.

34143961 is a deficient number, since it is larger than the sum of its proper divisors (1).

34143961 is an equidigital number, since it uses as much as digits as its factorization.

34143961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 34143961 is about 5843.2834091802. The cubic root of 34143961 is about 324.4177694034.

The spelling of 34143961 in words is "thirty-four million, one hundred forty-three thousand, nine hundred sixty-one".