172199653 has 2 divisors, whose sum is σ = 172199654. Its totient is φ = 172199652.

The previous prime is 172199609. The next prime is 172199663. The reversal of 172199653 is 356991271.

172199653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172186884 + 12769 = 13122^2 + 113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172199653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172199663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86099826 + 86099827.

It is an arithmetic number, because the mean of its divisors is an integer number (86099827).

Almost surely, 2^172199653 is an apocalyptic number.

It is an amenable number.

172199653 is a deficient number, since it is larger than the sum of its proper divisors (1).

172199653 is an equidigital number, since it uses as much as digits as its factorization.

172199653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 43.

The square root of 172199653 is about 13122.4865402865. The cubic root of 172199653 is about 556.3448736378.

The spelling of 172199653 in words is "one hundred seventy-two million, one hundred ninety-nine thousand, six hundred fifty-three".