2456429 has 2 divisors, whose sum is σ = 2456430. Its totient is φ = 2456428.

The previous prime is 2456411. The next prime is 2456431. The reversal of 2456429 is 9246542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2319529 + 136900 = 1523^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2456429 - 2¹⁶ = 2390893 is a prime.

Together with 2456431, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2456395 and 2456404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2456459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228214 + 1228215.

It is an arithmetic number, because the mean of its divisors is an integer number (1228215).

2^2456429 is an apocalyptic number.

It is an amenable number.

2456429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456429 is an equidigital number, since it uses as much as digits as its factorization.

2456429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 2456429 is about 1567.2999074842. The cubic root of 2456429 is about 134.9277894570.

The spelling of 2456429 in words is "two million, four hundred fifty-six thousand, four hundred twenty-nine".