2001232153 has 2 divisors, whose sum is σ = 2001232154. Its totient is φ = 2001232152.

The previous prime is 2001232117. The next prime is 2001232159. The reversal of 2001232153 is 3512321002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1997017344 + 4214809 = 44688^2 + 2053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001232153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001232153.

It is not a weakly prime, because it can be changed into another prime (2001232159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000616076 + 1000616077.

It is an arithmetic number, because the mean of its divisors is an integer number (1000616077).

Almost surely, 2^2001232153 is an apocalyptic number.

It is an amenable number.

2001232153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001232153 is an equidigital number, since it uses as much as digits as its factorization.

2001232153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2001232153 is about 44735.1333182321. The cubic root of 2001232153 is about 1260.1797326962.

Adding to 2001232153 its reverse (3512321002), we get a palindrome (5513553155).

The spelling of 2001232153 in words is "two billion, one million, two hundred thirty-two thousand, one hundred fifty-three".