1233753161 has 2 divisors, whose sum is σ = 1233753162. Its totient is φ = 1233753160.

The previous prime is 1233753139. The next prime is 1233753179. The reversal of 1233753161 is 1613573321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 678915136 + 554838025 = 26056^2 + 23555^2 .

It is an emirp because it is prime and its reverse (1613573321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1233753161 - 2²² = 1229558857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1233753361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616876580 + 616876581.

It is an arithmetic number, because the mean of its divisors is an integer number (616876581).

Almost surely, 2^1233753161 is an apocalyptic number.

It is an amenable number.

1233753161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233753161 is an equidigital number, since it uses as much as digits as its factorization.

1233753161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 1233753161 is about 35124.8225760644. The cubic root of 1233753161 is about 1072.5299440494.

The spelling of 1233753161 in words is "one billion, two hundred thirty-three million, seven hundred fifty-three thousand, one hundred sixty-one".