47420951 has 2 divisors, whose sum is σ = 47420952. Its totient is φ = 47420950.

The previous prime is 47420909. The next prime is 47420953. The reversal of 47420951 is 15902474.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47420951 - 2²² = 43226647 is a prime.

Together with 47420953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47420953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23710475 + 23710476.

It is an arithmetic number, because the mean of its divisors is an integer number (23710476).

Almost surely, 2^47420951 is an apocalyptic number.

47420951 is a deficient number, since it is larger than the sum of its proper divisors (1).

47420951 is an equidigital number, since it uses as much as digits as its factorization.

47420951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 47420951 is about 6886.2871708926. The cubic root of 47420951 is about 361.9568108787.

The spelling of 47420951 in words is "forty-seven million, four hundred twenty thousand, nine hundred fifty-one".