2546429 has 2 divisors, whose sum is σ = 2546430. Its totient is φ = 2546428.

The previous prime is 2546393. The next prime is 2546443. The reversal of 2546429 is 9246452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 487204 = 1435^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546429 - 2¹⁶ = 2480893 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2546395 and 2546404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2546029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273214 + 1273215.

It is an arithmetic number, because the mean of its divisors is an integer number (1273215).

2^2546429 is an apocalyptic number.

It is an amenable number.

2546429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546429 is an equidigital number, since it uses as much as digits as its factorization.

2546429 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2546429 is about 1595.7534270682. The cubic root of 2546429 is about 136.5559172836. Note that the first 3 decimals are identical.

The spelling of 2546429 in words is "two million, five hundred forty-six thousand, four hundred twenty-nine".