2501312 has 84 divisors (see below), whose sum is σ = 6080760. Its totient is φ = 1013760.

The previous prime is 2501299. The next prime is 2501327. The reversal of 2501312 is 2131052.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 131639 + ... + 131657.

It is an arithmetic number, because the mean of its divisors is an integer number (72390).

2^2501312 is an apocalyptic number.

2501312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2501312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3040380).

2501312 is an abundant number, since it is smaller than the sum of its proper divisors (3579448).

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

2501312 is a wasteful number, since it uses less digits than its factorization.

2501312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2501312 is about 1581.5536664938. The cubic root of 2501312 is about 135.7446187838.

Adding to 2501312 its reverse (2131052), we get a palindrome (4632364).

The spelling of 2501312 in words is "two million, five hundred one thousand, three hundred twelve".