2515394 has 8 divisors (see below), whose sum is σ = 4312128. Its totient is φ = 1078020.

The previous prime is 2515379. The next prime is 2515397. The reversal of 2515394 is 4935152.

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

It is not an unprimeable number, because it can be changed into a prime (2515397) 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, 89822 + ... + 89849.

It is an arithmetic number, because the mean of its divisors is an integer number (539016).

2^2515394 is an apocalyptic number.

2515394 is a deficient number, since it is larger than the sum of its proper divisors (1796734).

2515394 is a wasteful number, since it uses less digits than its factorization.

2515394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179680.

The product of its digits is 5400, while the sum is 29.

The square root of 2515394 is about 1585.9993694829. Note that the first 3 decimals coincide. The cubic root of 2515394 is about 135.9988826321.

The spelling of 2515394 in words is "two million, five hundred fifteen thousand, three hundred ninety-four".