2505156 has 24 divisors (see below), whose sum is σ = 5881344. Its totient is φ = 829920.

The previous prime is 2505143. The next prime is 2505157. The reversal of 2505156 is 6515052.

It is not an unprimeable number, because it can be changed into a prime (2505157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1746 + ... + 2838.

It is an arithmetic number, because the mean of its divisors is an integer number (245056).

2^2505156 is an apocalyptic number.

It is an amenable number.

2505156 is an abundant number, since it is smaller than the sum of its proper divisors (3376188).

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

2505156 is a wasteful number, since it uses less digits than its factorization.

2505156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291 (or 1289 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2505156 is about 1582.7684606410. The cubic root of 2505156 is about 135.8141203416.

The spelling of 2505156 in words is "two million, five hundred five thousand, one hundred fifty-six".