170225243 has 4 divisors (see below), whose sum is σ = 170689440. Its totient is φ = 169761048.

The previous prime is 170225239. The next prime is 170225249. The reversal of 170225243 is 342522071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342522071 = 103 ⋅3325457.

It is a cyclic number.

It is not a de Polignac number, because 170225243 - 2² = 170225239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170225249) 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, 231548 + ... + 232281.

It is an arithmetic number, because the mean of its divisors is an integer number (42672360).

Almost surely, 2^170225243 is an apocalyptic number.

170225243 is a deficient number, since it is larger than the sum of its proper divisors (464197).

170225243 is an equidigital number, since it uses as much as digits as its factorization.

170225243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464196.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 170225243 is about 13047.0396259075. The cubic root of 170225243 is about 554.2103783360.

The spelling of 170225243 in words is "one hundred seventy million, two hundred twenty-five thousand, two hundred forty-three".