172460653 has 4 divisors (see below), whose sum is σ = 172923388. Its totient is φ = 171997920.

The previous prime is 172460641. The next prime is 172460677. The reversal of 172460653 is 356064271.

It is a happy number.

172460653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356064271 = 269 ⋅1323659.

It can be written as a sum of positive squares in 2 ways, for example, as 37970244 + 134490409 = 6162^2 + 11597^2 .

It is a cyclic number.

It is not a de Polignac number, because 172460653 - 2¹⁷ = 172329581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172469653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230808 + ... + 231553.

It is an arithmetic number, because the mean of its divisors is an integer number (43230847).

Almost surely, 2^172460653 is an apocalyptic number.

It is an amenable number.

172460653 is a deficient number, since it is larger than the sum of its proper divisors (462735).

172460653 is an equidigital number, since it uses as much as digits as its factorization.

172460653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462734.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 172460653 is about 13132.4275364458. The cubic root of 172460653 is about 556.6258124766.

The spelling of 172460653 in words is "one hundred seventy-two million, four hundred sixty thousand, six hundred fifty-three".