653633413 has 2 divisors, whose sum is σ = 653633414. Its totient is φ = 653633412.

The previous prime is 653633399. The next prime is 653633437. The reversal of 653633413 is 314336356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 586753729 + 66879684 = 24223^2 + 8178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653633413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653633443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326816706 + 326816707.

It is an arithmetic number, because the mean of its divisors is an integer number (326816707).

Almost surely, 2^653633413 is an apocalyptic number.

It is an amenable number.

653633413 is a deficient number, since it is larger than the sum of its proper divisors (1).

653633413 is an equidigital number, since it uses as much as digits as its factorization.

653633413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 34.

The square root of 653633413 is about 25566.2553574042. The cubic root of 653633413 is about 867.8501607501.

Adding to 653633413 its reverse (314336356), we get a palindrome (967969769).

The spelling of 653633413 in words is "six hundred fifty-three million, six hundred thirty-three thousand, four hundred thirteen".