2515206 has 8 divisors (see below), whose sum is σ = 5030424. Its totient is φ = 838400.

The previous prime is 2515193. The next prime is 2515237. The reversal of 2515206 is 6025152.

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

2515206 is an admirable number.

It is a super-2 number, since 2×2515206² = 12652522444872, which contains 22 as substring.

It is an Ulam 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, 209595 + ... + 209606.

It is an arithmetic number, because the mean of its divisors is an integer number (628803).

2^2515206 is an apocalyptic number.

2515206 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.

2515206 is a wasteful number, since it uses less digits than its factorization.

2515206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419206.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2515206 is about 1585.9400997516. The cubic root of 2515206 is about 135.9954943721.

The spelling of 2515206 in words is "two million, five hundred fifteen thousand, two hundred six".