2515830 has 32 divisors (see below), whose sum is σ = 6394464. Its totient is φ = 631296.

The previous prime is 2515817. The next prime is 2515853. The reversal of 2515830 is 385152.

It is a self number, because there is not a number n which added to its sum of digits gives 2515830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1957 + ... + 2976.

It is an arithmetic number, because the mean of its divisors is an integer number (199827).

2^2515830 is an apocalyptic number.

2515830 is an abundant number, since it is smaller than the sum of its proper divisors (3878634).

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

2515830 is a wasteful number, since it uses less digits than its factorization.

2515830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2515830 is about 1586.1368162930. The cubic root of 2515830 is about 136.0067398621.

The spelling of 2515830 in words is "two million, five hundred fifteen thousand, eight hundred thirty".