2515536 has 60 divisors (see below), whose sum is σ = 7312032. Its totient is φ = 837216.

The previous prime is 2515531. The next prime is 2515537. The reversal of 2515536 is 6355152.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3565 + ... + 4211.

2^2515536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2515536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3656016).

2515536 is an abundant number, since it is smaller than the sum of its proper divisors (4796496).

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

2515536 is an equidigital number, since it uses as much as digits as its factorization.

2515536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 652 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 2515536 is about 1586.0441355776. The cubic root of 2515536 is about 136.0014417379.

The spelling of 2515536 in words is "two million, five hundred fifteen thousand, five hundred thirty-six".