52419439 has 2 divisors, whose sum is σ = 52419440. Its totient is φ = 52419438.

The previous prime is 52419401. The next prime is 52419467. The reversal of 52419439 is 93491425.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52419439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52419398 and 52419407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52419239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26209719 + 26209720.

It is an arithmetic number, because the mean of its divisors is an integer number (26209720).

Almost surely, 2^52419439 is an apocalyptic number.

52419439 is a deficient number, since it is larger than the sum of its proper divisors (1).

52419439 is an equidigital number, since it uses as much as digits as its factorization.

52419439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 52419439 is about 7240.1270016485. The cubic root of 52419439 is about 374.2519939945.

The spelling of 52419439 in words is "fifty-two million, four hundred nineteen thousand, four hundred thirty-nine".