2532281 has 2 divisors, whose sum is σ = 2532282. Its totient is φ = 2532280.

The previous prime is 2532259. The next prime is 2532289. The reversal of 2532281 is 1822352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1357225 + 1175056 = 1165^2 + 1084^2 .

It is a cyclic number.

It is not a de Polignac number, because 2532281 - 2¹⁴ = 2515897 is a prime.

It is a super-2 number, since 2×2532281² = 12824894125922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2532289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266140 + 1266141.

It is an arithmetic number, because the mean of its divisors is an integer number (1266141).

2^2532281 is an apocalyptic number.

It is an amenable number.

2532281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2532281 is an equidigital number, since it uses as much as digits as its factorization.

2532281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 2532281 is about 1591.3142367238. The cubic root of 2532281 is about 136.3025451738.

The spelling of 2532281 in words is "two million, five hundred thirty-two thousand, two hundred eighty-one".