2534621 has 2 divisors, whose sum is σ = 2534622. Its totient is φ = 2534620.

The previous prime is 2534603. The next prime is 2534627. The reversal of 2534621 is 1264352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1876900 + 657721 = 1370^2 + 811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2534621 - 2¹⁴ = 2518237 is a prime.

It is a super-2 number, since 2×2534621² = 12848607227282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2534627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267310 + 1267311.

It is an arithmetic number, because the mean of its divisors is an integer number (1267311).

2^2534621 is an apocalyptic number.

It is an amenable number.

2534621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2534621 is an equidigital number, since it uses as much as digits as its factorization.

2534621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 2534621 is about 1592.0493082816. The cubic root of 2534621 is about 136.3445165247.

Adding to 2534621 its reverse (1264352), we get a palindrome (3798973).

The spelling of 2534621 in words is "two million, five hundred thirty-four thousand, six hundred twenty-one".