2539429 has 2 divisors, whose sum is σ = 2539430. Its totient is φ = 2539428.

The previous prime is 2539423. The next prime is 2539441. The reversal of 2539429 is 9249352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2464900 + 74529 = 1570^2 + 273^2 .

It is a cyclic number.

It is not a de Polignac number, because 2539429 - 2⁹ = 2538917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2539394 and 2539403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2539423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269714 + 1269715.

It is an arithmetic number, because the mean of its divisors is an integer number (1269715).

2^2539429 is an apocalyptic number.

It is an amenable number.

2539429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539429 is an equidigital number, since it uses as much as digits as its factorization.

2539429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 2539429 is about 1593.5585963497. The cubic root of 2539429 is about 136.4306740954.

The spelling of 2539429 in words is "two million, five hundred thirty-nine thousand, four hundred twenty-nine".