47574539 has 2 divisors, whose sum is σ = 47574540. Its totient is φ = 47574538.

The previous prime is 47574509. The next prime is 47574547. The reversal of 47574539 is 93547574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47574539 - 2¹⁶ = 47509003 is a prime.

It is a super-2 number, since 2×47574539² = 4526673522125042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47574539.

It is not a weakly prime, because it can be changed into another prime (47574509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23787269 + 23787270.

It is an arithmetic number, because the mean of its divisors is an integer number (23787270).

Almost surely, 2^47574539 is an apocalyptic number.

47574539 is a deficient number, since it is larger than the sum of its proper divisors (1).

47574539 is an equidigital number, since it uses as much as digits as its factorization.

47574539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 44.

The square root of 47574539 is about 6897.4298836596. The cubic root of 47574539 is about 362.3471609349.

The spelling of 47574539 in words is "forty-seven million, five hundred seventy-four thousand, five hundred thirty-nine".