47561929 has 2 divisors, whose sum is σ = 47561930. Its totient is φ = 47561928.

The previous prime is 47561897. The next prime is 47561939. The reversal of 47561929 is 92916574.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 227529 = 6880^2 + 477^2 .

It is a cyclic number.

It is not a de Polignac number, because 47561929 - 2⁵ = 47561897 is a prime.

It is not a weakly prime, because it can be changed into another prime (47561939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23780964 + 23780965.

It is an arithmetic number, because the mean of its divisors is an integer number (23780965).

Almost surely, 2^47561929 is an apocalyptic number.

It is an amenable number.

47561929 is a deficient number, since it is larger than the sum of its proper divisors (1).

47561929 is an equidigital number, since it uses as much as digits as its factorization.

47561929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 47561929 is about 6896.5157144750. The cubic root of 47561929 is about 362.3151437989.

The spelling of 47561929 in words is "forty-seven million, five hundred sixty-one thousand, nine hundred twenty-nine".