2520156 has 36 divisors (see below), whose sum is σ = 6162632. Its totient is φ = 801504.

The previous prime is 2520151. The next prime is 2520169. The reversal of 2520156 is 6510252.

2520156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6150 + ... + 6546.

2^2520156 is an apocalyptic number.

It is a pronic number, being equal to 1587×1588.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2520156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3081316).

2520156 is an abundant number, since it is smaller than the sum of its proper divisors (3642476).

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

2520156 is a wasteful number, since it uses less digits than its factorization.

2520156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 425 counting only the distinct ones).

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

The square root of 2520156 is about 1587.4999212598. The cubic root of 2520156 is about 136.0846502991.

The spelling of 2520156 in words is "two million, five hundred twenty thousand, one hundred fifty-six".