2492817 has 4 divisors (see below), whose sum is σ = 3323760. Its totient is φ = 1661876.

The previous prime is 2492813. The next prime is 2492821. The reversal of 2492817 is 7182942.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (2492813) and next prime (2492821).

It is a cyclic number.

It is not a de Polignac number, because 2492817 - 2² = 2492813 is a prime.

It is a D-number.

2492817 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2492813) 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, 415467 + ... + 415472.

It is an arithmetic number, because the mean of its divisors is an integer number (830940).

2^2492817 is an apocalyptic number.

It is an amenable number.

2492817 is a deficient number, since it is larger than the sum of its proper divisors (830943).

2492817 is an equidigital number, since it uses as much as digits as its factorization.

2492817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830942.

The product of its digits is 8064, while the sum is 33.

The square root of 2492817 is about 1578.8657321001. The cubic root of 2492817 is about 135.5907717286.

The spelling of 2492817 in words is "two million, four hundred ninety-two thousand, eight hundred seventeen".