47972153 has 2 divisors, whose sum is σ = 47972154. Its totient is φ = 47972152.

The previous prime is 47972129. The next prime is 47972167. The reversal of 47972153 is 35127974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46607929 + 1364224 = 6827^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 47972153 - 2¹² = 47968057 is a prime.

It is not a weakly prime, because it can be changed into another prime (47972123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23986076 + 23986077.

It is an arithmetic number, because the mean of its divisors is an integer number (23986077).

Almost surely, 2^47972153 is an apocalyptic number.

It is an amenable number.

47972153 is a deficient number, since it is larger than the sum of its proper divisors (1).

47972153 is an equidigital number, since it uses as much as digits as its factorization.

47972153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 47972153 is about 6926.1932545952. The cubic root of 47972153 is about 363.3538253085.

The spelling of 47972153 in words is "forty-seven million, nine hundred seventy-two thousand, one hundred fifty-three".