245001 has 4 divisors (see below), whose sum is σ = 326672. Its totient is φ = 163332.

The previous prime is 244997. The next prime is 245023. The reversal of 245001 is 100542.

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 not a de Polignac number, because 245001 - 2² = 244997 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245071) 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, 40831 + ... + 40836.

It is an arithmetic number, because the mean of its divisors is an integer number (81668).

2²⁴⁵⁰⁰¹ is an apocalyptic number.

It is an amenable number.

245001 is a deficient number, since it is larger than the sum of its proper divisors (81671).

245001 is an equidigital number, since it uses as much as digits as its factorization.

245001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81670.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 245001 is about 494.9757569821. The cubic root of 245001 is about 62.5733325903.

Adding to 245001 its reverse (100542), we get a palindrome (345543).

The spelling of 245001 in words is "two hundred forty-five thousand, one".