47528791 has 2 divisors, whose sum is σ = 47528792. Its totient is φ = 47528790.

The previous prime is 47528783. The next prime is 47528801. The reversal of 47528791 is 19782574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47528791 - 2³ = 47528783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47528771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23764395 + 23764396.

It is an arithmetic number, because the mean of its divisors is an integer number (23764396).

Almost surely, 2^47528791 is an apocalyptic number.

47528791 is a deficient number, since it is larger than the sum of its proper divisors (1).

47528791 is an equidigital number, since it uses as much as digits as its factorization.

47528791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 43.

The square root of 47528791 is about 6894.1127783058. The cubic root of 47528791 is about 362.2309785222.

The spelling of 47528791 in words is "forty-seven million, five hundred twenty-eight thousand, seven hundred ninety-one".