2925217 has 4 divisors (see below), whose sum is σ = 2928640. Its totient is φ = 2921796.

The previous prime is 2925211. The next prime is 2925281. The reversal of 2925217 is 7125292.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2925217 - 2⁷ = 2925089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2925211) 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, 784 + ... + 2542.

It is an arithmetic number, because the mean of its divisors is an integer number (732160).

2^2925217 is an apocalyptic number.

It is an amenable number.

2925217 is a deficient number, since it is larger than the sum of its proper divisors (3423).

2925217 is a wasteful number, since it uses less digits than its factorization.

2925217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422.

The product of its digits is 2520, while the sum is 28.

The square root of 2925217 is about 1710.3265770022. The cubic root of 2925217 is about 143.0164618276.

The spelling of 2925217 in words is "two million, nine hundred twenty-five thousand, two hundred seventeen".