47614921 has 2 divisors, whose sum is σ = 47614922. Its totient is φ = 47614920.

The previous prime is 47614913. The next prime is 47614939. The reversal of 47614921 is 12941674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45751696 + 1863225 = 6764^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 47614921 - 2³ = 47614913 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is equal to p_2866435 and since 47614921 and 2866435 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47614321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23807460 + 23807461.

It is an arithmetic number, because the mean of its divisors is an integer number (23807461).

Almost surely, 2^47614921 is an apocalyptic number.

It is an amenable number.

47614921 is a deficient number, since it is larger than the sum of its proper divisors (1).

47614921 is an equidigital number, since it uses as much as digits as its factorization.

47614921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 47614921 is about 6900.3565849889. The cubic root of 47614921 is about 362.4496538879.

The spelling of 47614921 in words is "forty-seven million, six hundred fourteen thousand, nine hundred twenty-one".