47925439 has 2 divisors, whose sum is σ = 47925440. Its totient is φ = 47925438.

The previous prime is 47925421. The next prime is 47925461. The reversal of 47925439 is 93452974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47925439 - 2⁹ = 47924927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47925395 and 47925404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47925539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23962719 + 23962720.

It is an arithmetic number, because the mean of its divisors is an integer number (23962720).

Almost surely, 2^47925439 is an apocalyptic number.

47925439 is a deficient number, since it is larger than the sum of its proper divisors (1).

47925439 is an equidigital number, since it uses as much as digits as its factorization.

47925439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 47925439 is about 6922.8201623327. The cubic root of 47925439 is about 363.2358455916.

The spelling of 47925439 in words is "forty-seven million, nine hundred twenty-five thousand, four hundred thirty-nine".