2549501 has 4 divisors (see below), whose sum is σ = 2564412. Its totient is φ = 2534592.

The previous prime is 2549479. The next prime is 2549531. The reversal of 2549501 is 1059452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2247001 + 302500 = 1499^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549501 - 2¹⁰ = 2548477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549531) 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, 7196 + ... + 7541.

It is an arithmetic number, because the mean of its divisors is an integer number (641103).

2^2549501 is an apocalyptic number.

It is an amenable number.

2549501 is a deficient number, since it is larger than the sum of its proper divisors (14911).

2549501 is a wasteful number, since it uses less digits than its factorization.

2549501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14910.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2549501 is about 1596.7156916621. The cubic root of 2549501 is about 136.6108086886.

The spelling of 2549501 in words is "two million, five hundred forty-nine thousand, five hundred one".