2515494 has 8 divisors (see below), whose sum is σ = 5031000. Its totient is φ = 838496.

The previous prime is 2515477. The next prime is 2515517. The reversal of 2515494 is 4945152.

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

2515494 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209619 + ... + 209630.

It is an arithmetic number, because the mean of its divisors is an integer number (628875).

2^2515494 is an apocalyptic number.

2515494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2515494 is a wasteful number, since it uses less digits than its factorization.

2515494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419254.

The product of its digits is 7200, while the sum is 30.

The square root of 2515494 is about 1586.0308950333. The cubic root of 2515494 is about 136.0006848293. Note that the first 3 decimals are identical.

The spelling of 2515494 in words is "two million, five hundred fifteen thousand, four hundred ninety-four".