2523401 has 2 divisors, whose sum is σ = 2523402. Its totient is φ = 2523400.

The previous prime is 2523379. The next prime is 2523413. The reversal of 2523401 is 1043252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2253001 + 270400 = 1501^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523401 - 2⁶ = 2523337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2523401.

It is not a weakly prime, because it can be changed into another prime (2523481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261700 + 1261701.

It is an arithmetic number, because the mean of its divisors is an integer number (1261701).

2^2523401 is an apocalyptic number.

It is an amenable number.

2523401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523401 is an equidigital number, since it uses as much as digits as its factorization.

2523401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2523401 is about 1588.5216397645. The cubic root of 2523401 is about 136.1430336281.

Adding to 2523401 its reverse (1043252), we get a palindrome (3566653).

The spelling of 2523401 in words is "two million, five hundred twenty-three thousand, four hundred one".