47801651 has 2 divisors, whose sum is σ = 47801652. Its totient is φ = 47801650.

The previous prime is 47801647. The next prime is 47801687. The reversal of 47801651 is 15610874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47801651 - 2² = 47801647 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47801051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23900825 + 23900826.

It is an arithmetic number, because the mean of its divisors is an integer number (23900826).

Almost surely, 2^47801651 is an apocalyptic number.

47801651 is a deficient number, since it is larger than the sum of its proper divisors (1).

47801651 is an equidigital number, since it uses as much as digits as its factorization.

47801651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 47801651 is about 6913.8738056172. The cubic root of 47801651 is about 362.9228384943.

The spelling of 47801651 in words is "forty-seven million, eight hundred one thousand, six hundred fifty-one".