4145217 has 4 divisors (see below), whose sum is σ = 5526960. Its totient is φ = 2763476.

The previous prime is 4145213. The next prime is 4145257. The reversal of 4145217 is 7125414.

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 4145217 - 2² = 4145213 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4145213) 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, 690867 + ... + 690872.

It is an arithmetic number, because the mean of its divisors is an integer number (1381740).

Almost surely, 2^4145217 is an apocalyptic number.

It is an amenable number.

4145217 is a deficient number, since it is larger than the sum of its proper divisors (1381743).

4145217 is a wasteful number, since it uses less digits than its factorization.

4145217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381742.

The product of its digits is 1120, while the sum is 24.

The square root of 4145217 is about 2035.9805991217. The cubic root of 4145217 is about 160.6382965773.

The spelling of 4145217 in words is "four million, one hundred forty-five thousand, two hundred seventeen".