2430761 has 2 divisors, whose sum is σ = 2430762. Its totient is φ = 2430760.

The previous prime is 2430749. The next prime is 2430763. The reversal of 2430761 is 1670342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1392400 + 1038361 = 1180^2 + 1019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2430761 is a prime.

Together with 2430763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2430763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215380 + 1215381.

It is an arithmetic number, because the mean of its divisors is an integer number (1215381).

2^2430761 is an apocalyptic number.

It is an amenable number.

2430761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2430761 is an equidigital number, since it uses as much as digits as its factorization.

2430761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2430761 is about 1559.0897985684. The cubic root of 2430761 is about 134.4561752900.

The spelling of 2430761 in words is "two million, four hundred thirty thousand, seven hundred sixty-one".