653622061 has 2 divisors, whose sum is σ = 653622062. Its totient is φ = 653622060.

The previous prime is 653622043. The next prime is 653622083. The reversal of 653622061 is 160226356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 547840836 + 105781225 = 23406^2 + 10285^2 .

It is a cyclic number.

It is not a de Polignac number, because 653622061 - 2⁵ = 653622029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653622961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326811030 + 326811031.

It is an arithmetic number, because the mean of its divisors is an integer number (326811031).

Almost surely, 2^653622061 is an apocalyptic number.

It is an amenable number.

653622061 is a deficient number, since it is larger than the sum of its proper divisors (1).

653622061 is an equidigital number, since it uses as much as digits as its factorization.

653622061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 653622061 is about 25566.0333450459. The cubic root of 653622061 is about 867.8451365822.

The spelling of 653622061 in words is "six hundred fifty-three million, six hundred twenty-two thousand, sixty-one".