47492261 has 2 divisors, whose sum is σ = 47492262. Its totient is φ = 47492260.

The previous prime is 47492251. The next prime is 47492273. The reversal of 47492261 is 16229474.

47492261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39929761 + 7562500 = 6319^2 + 2750^2 .

It is a cyclic number.

It is not a de Polignac number, because 47492261 - 2⁶ = 47492197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47492251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23746130 + 23746131.

It is an arithmetic number, because the mean of its divisors is an integer number (23746131).

Almost surely, 2^47492261 is an apocalyptic number.

It is an amenable number.

47492261 is a deficient number, since it is larger than the sum of its proper divisors (1).

47492261 is an equidigital number, since it uses as much as digits as its factorization.

47492261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 47492261 is about 6891.4629071047. The cubic root of 47492261 is about 362.1381527573.

The spelling of 47492261 in words is "forty-seven million, four hundred ninety-two thousand, two hundred sixty-one".