47845351 has 2 divisors, whose sum is σ = 47845352. Its totient is φ = 47845350.

The previous prime is 47845337. The next prime is 47845367. The reversal of 47845351 is 15354874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47845351 - 2¹¹ = 47843303 is a prime.

It is a super-2 number, since 2×47845351² = 4578355224626402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47845351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47845381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23922675 + 23922676.

It is an arithmetic number, because the mean of its divisors is an integer number (23922676).

Almost surely, 2^47845351 is an apocalyptic number.

47845351 is a deficient number, since it is larger than the sum of its proper divisors (1).

47845351 is an equidigital number, since it uses as much as digits as its factorization.

47845351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

The square root of 47845351 is about 6917.0333959003. The cubic root of 47845351 is about 363.0333988146.

The spelling of 47845351 in words is "forty-seven million, eight hundred forty-five thousand, three hundred fifty-one".