2430457 has 2 divisors, whose sum is σ = 2430458. Its totient is φ = 2430456.

The previous prime is 2430451. The next prime is 2430469. The reversal of 2430457 is 7540342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2134521 + 295936 = 1461^2 + 544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2430457 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2430451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215228 + 1215229.

It is an arithmetic number, because the mean of its divisors is an integer number (1215229).

2^2430457 is an apocalyptic number.

It is an amenable number.

2430457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2430457 is an equidigital number, since it uses as much as digits as its factorization.

2430457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 2430457 is about 1558.9923027392. The cubic root of 2430457 is about 134.4505698601.

Adding to 2430457 its reverse (7540342), we get a palindrome (9970799).

The spelling of 2430457 in words is "two million, four hundred thirty thousand, four hundred fifty-seven".