2546651 has 4 divisors (see below), whose sum is σ = 2696472. Its totient is φ = 2396832.

The previous prime is 2546611. The next prime is 2546657. The reversal of 2546651 is 1566452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2546651 - 2¹⁴ = 2530267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2546657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74885 + ... + 74918.

It is an arithmetic number, because the mean of its divisors is an integer number (674118).

2^2546651 is an apocalyptic number.

2546651 is a deficient number, since it is larger than the sum of its proper divisors (149821).

2546651 is a wasteful number, since it uses less digits than its factorization.

2546651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149820.

The product of its digits is 7200, while the sum is 29.

The square root of 2546651 is about 1595.8229851710. The cubic root of 2546651 is about 136.5598855247.

The spelling of 2546651 in words is "two million, five hundred forty-six thousand, six hundred fifty-one".