47411281 has 2 divisors, whose sum is σ = 47411282. Its totient is φ = 47411280.

The previous prime is 47411267. The next prime is 47411291. The reversal of 47411281 is 18211474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46785600 + 625681 = 6840^2 + 791^2 .

It is a cyclic number.

It is not a de Polignac number, because 47411281 - 2¹⁷ = 47280209 is a prime.

It is a super-2 number, since 2×47411281² = 4495659132121922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47411261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23705640 + 23705641.

It is an arithmetic number, because the mean of its divisors is an integer number (23705641).

Almost surely, 2^47411281 is an apocalyptic number.

47411281 is the 3681-st centered heptagonal number.

It is an amenable number.

47411281 is a deficient number, since it is larger than the sum of its proper divisors (1).

47411281 is an equidigital number, since it uses as much as digits as its factorization.

47411281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 28.

The square root of 47411281 is about 6885.5850150877. The cubic root of 47411281 is about 361.9322059996.

The spelling of 47411281 in words is "forty-seven million, four hundred eleven thousand, two hundred eighty-one".