47254643 has 2 divisors, whose sum is σ = 47254644. Its totient is φ = 47254642.

The previous prime is 47254621. The next prime is 47254651. The reversal of 47254643 is 34645274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47254643 - 2¹² = 47250547 is a prime.

It is not a weakly prime, because it can be changed into another prime (47254663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23627321 + 23627322.

It is an arithmetic number, because the mean of its divisors is an integer number (23627322).

Almost surely, 2^47254643 is an apocalyptic number.

47254643 is a deficient number, since it is larger than the sum of its proper divisors (1).

47254643 is an equidigital number, since it uses as much as digits as its factorization.

47254643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 35.

The square root of 47254643 is about 6874.2012626923. The cubic root of 47254643 is about 361.5331808157.

The spelling of 47254643 in words is "forty-seven million, two hundred fifty-four thousand, six hundred forty-three".