632061653 has 2 divisors, whose sum is σ = 632061654. Its totient is φ = 632061652.

The previous prime is 632061629. The next prime is 632061673. The reversal of 632061653 is 356160236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417058084 + 215003569 = 20422^2 + 14663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632061653 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632061613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316030826 + 316030827.

It is an arithmetic number, because the mean of its divisors is an integer number (316030827).

Almost surely, 2^632061653 is an apocalyptic number.

It is an amenable number.

632061653 is a deficient number, since it is larger than the sum of its proper divisors (1).

632061653 is an equidigital number, since it uses as much as digits as its factorization.

632061653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 632061653 is about 25140.8363623806. The cubic root of 632061653 is about 858.1959898971.

The spelling of 632061653 in words is "six hundred thirty-two million, sixty-one thousand, six hundred fifty-three".