2681501 has 12 divisors (see below), whose sum is σ = 2899932. Its totient is φ = 2477376.

The previous prime is 2681477. The next prime is 2681507. The reversal of 2681501 is 1051862.

It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 648025 = 1426^2 + 805^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2681501 is a prime.

It is a super-2 number, since 2×2681501² = 14380895226002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681507) 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, 19505 + ... + 19641.

It is an arithmetic number, because the mean of its divisors is an integer number (241661).

2^2681501 is an apocalyptic number.

It is an amenable number.

2681501 is a deficient number, since it is larger than the sum of its proper divisors (218431).

2681501 is a wasteful number, since it uses less digits than its factorization.

2681501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 2681501 is about 1637.5289310421. The cubic root of 2681501 is about 138.9289183345.

The spelling of 2681501 in words is "two million, six hundred eighty-one thousand, five hundred one".