2521627 has 4 divisors (see below), whose sum is σ = 2669976. Its totient is φ = 2373280.

The previous prime is 2521621. The next prime is 2521643. The reversal of 2521627 is 7261252.

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 2521627 - 2⁷ = 2521499 is a prime.

It is a Duffinian number.

2521627 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2521621) 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, 74149 + ... + 74182.

It is an arithmetic number, because the mean of its divisors is an integer number (667494).

2^2521627 is an apocalyptic number.

2521627 is a deficient number, since it is larger than the sum of its proper divisors (148349).

2521627 is a wasteful number, since it uses less digits than its factorization.

2521627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148348.

The product of its digits is 1680, while the sum is 25.

The square root of 2521627 is about 1587.9631607818. The cubic root of 2521627 is about 136.1111224150. Note that the first 4 decimals are identical.

Adding to 2521627 its reverse (7261252), we get a palindrome (9782879).

The spelling of 2521627 in words is "two million, five hundred twenty-one thousand, six hundred twenty-seven".