172026253 has 4 divisors (see below), whose sum is σ = 196601440. Its totient is φ = 147451068.

The previous prime is 172026227. The next prime is 172026263. The reversal of 172026253 is 352620271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 172026253 - 2¹³ = 172018061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172026263) 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, 12287583 + ... + 12287596.

It is an arithmetic number, because the mean of its divisors is an integer number (49150360).

Almost surely, 2^172026253 is an apocalyptic number.

It is an amenable number.

172026253 is a deficient number, since it is larger than the sum of its proper divisors (24575187).

172026253 is an equidigital number, since it uses as much as digits as its factorization.

172026253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24575186.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 172026253 is about 13115.8778966564. The cubic root of 172026253 is about 556.1580699317.

The spelling of 172026253 in words is "one hundred seventy-two million, twenty-six thousand, two hundred fifty-three".