47453261 has 2 divisors, whose sum is σ = 47453262. Its totient is φ = 47453260.

The previous prime is 47453227. The next prime is 47453269. The reversal of 47453261 is 16235474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26977636 + 20475625 = 5194^2 + 4525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47453261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47453269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23726630 + 23726631.

It is an arithmetic number, because the mean of its divisors is an integer number (23726631).

Almost surely, 2^47453261 is an apocalyptic number.

It is an amenable number.

47453261 is a deficient number, since it is larger than the sum of its proper divisors (1).

47453261 is an equidigital number, since it uses as much as digits as its factorization.

47453261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 47453261 is about 6888.6327380693. The cubic root of 47453261 is about 362.0389979658.

It can be divided in two parts, 474 and 53261, that added together give a palindrome (53735).

The spelling of 47453261 in words is "forty-seven million, four hundred fifty-three thousand, two hundred sixty-one".