171253417 has 4 divisors (see below), whose sum is σ = 172210320. Its totient is φ = 170296516.

The previous prime is 171253409. The next prime is 171253447. The reversal of 171253417 is 714352171.

171253417 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 714352171 = 13 ⋅54950167.

It is a cyclic number.

It is not a de Polignac number, because 171253417 - 2³ = 171253409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171253447) 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, 478183 + ... + 478540.

It is an arithmetic number, because the mean of its divisors is an integer number (43052580).

Almost surely, 2^171253417 is an apocalyptic number.

It is an amenable number.

171253417 is a deficient number, since it is larger than the sum of its proper divisors (956903).

171253417 is an equidigital number, since it uses as much as digits as its factorization.

171253417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956902.

The product of its digits is 5880, while the sum is 31.

The square root of 171253417 is about 13086.3828845101. The cubic root of 171253417 is about 555.3239642016.

The spelling of 171253417 in words is "one hundred seventy-one million, two hundred fifty-three thousand, four hundred seventeen".