2523211 has 2 divisors, whose sum is σ = 2523212. Its totient is φ = 2523210.

The previous prime is 2523187. The next prime is 2523217. The reversal of 2523211 is 1123252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2523211 - 2⁷ = 2523083 is a prime.

It is not a weakly prime, because it can be changed into another prime (2523217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261605 + 1261606.

It is an arithmetic number, because the mean of its divisors is an integer number (1261606).

2^2523211 is an apocalyptic number.

2523211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523211 is an equidigital number, since it uses as much as digits as its factorization.

2523211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 16.

The square root of 2523211 is about 1588.4618346060. The cubic root of 2523211 is about 136.1396165697.

Adding to 2523211 its reverse (1123252), we get a palindrome (3646463).

The spelling of 2523211 in words is "two million, five hundred twenty-three thousand, two hundred eleven".