2499215 has 8 divisors (see below), whose sum is σ = 3055968. Its totient is φ = 1961440.

The previous prime is 2499197. The next prime is 2499247. The reversal of 2499215 is 5129942.

2499215 = 274² + 275² + ... + 303².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2499215 - 2⁶ = 2499151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4451 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (381996).

2^2499215 is an apocalyptic number.

2499215 is a deficient number, since it is larger than the sum of its proper divisors (556753).

2499215 is an equidigital number, since it uses as much as digits as its factorization.

2499215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489.

The product of its digits is 6480, while the sum is 32.

The square root of 2499215 is about 1580.8905717981. The cubic root of 2499215 is about 135.7066738905.

The spelling of 2499215 in words is "two million, four hundred ninety-nine thousand, two hundred fifteen".