172063499 has 4 divisors (see below), whose sum is σ = 173767200. Its totient is φ = 170359800.

The previous prime is 172063481. The next prime is 172063519. The reversal of 172063499 is 994360271.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 172063499 - 2¹⁶ = 171997963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172063439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851699 + ... + 851900.

It is an arithmetic number, because the mean of its divisors is an integer number (43441800).

Almost surely, 2^172063499 is an apocalyptic number.

172063499 is a deficient number, since it is larger than the sum of its proper divisors (1703701).

172063499 is a wasteful number, since it uses less digits than its factorization.

172063499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703700.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 172063499 is about 13117.2977018897. The cubic root of 172063499 is about 556.1982056054.

The spelling of 172063499 in words is "one hundred seventy-two million, sixty-three thousand, four hundred ninety-nine".