2442457 has 2 divisors, whose sum is σ = 2442458. Its totient is φ = 2442456.

The previous prime is 2442437. The next prime is 2442463. The reversal of 2442457 is 7542442.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1893376 + 549081 = 1376^2 + 741^2 .

It is a cyclic number.

It is not a de Polignac number, because 2442457 - 2¹⁵ = 2409689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2442437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221228 + 1221229.

It is an arithmetic number, because the mean of its divisors is an integer number (1221229).

2^2442457 is an apocalyptic number.

It is an amenable number.

2442457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442457 is an equidigital number, since it uses as much as digits as its factorization.

2442457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 28.

The square root of 2442457 is about 1562.8362038294. The cubic root of 2442457 is about 134.6714828795.

Adding to 2442457 its reverse (7542442), we get a palindrome (9984899).

It can be divided in two parts, 244 and 2457, that added together give a triangular number (2701 = T₇₃).

The spelling of 2442457 in words is "two million, four hundred forty-two thousand, four hundred fifty-seven".