47842901 has 2 divisors, whose sum is σ = 47842902. Its totient is φ = 47842900.

The previous prime is 47842843. The next prime is 47842919. The reversal of 47842901 is 10924874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41088100 + 6754801 = 6410^2 + 2599^2 .

It is a cyclic number.

It is not a de Polignac number, because 47842901 - 2¹⁰ = 47841877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47842601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23921450 + 23921451.

It is an arithmetic number, because the mean of its divisors is an integer number (23921451).

Almost surely, 2^47842901 is an apocalyptic number.

It is an amenable number.

47842901 is a deficient number, since it is larger than the sum of its proper divisors (1).

47842901 is an equidigital number, since it uses as much as digits as its factorization.

47842901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 47842901 is about 6916.8562945893. The cubic root of 47842901 is about 363.0272021345.

The spelling of 47842901 in words is "forty-seven million, eight hundred forty-two thousand, nine hundred one".