47611261 has 2 divisors, whose sum is σ = 47611262. Its totient is φ = 47611260.

The previous prime is 47611231. The next prime is 47611273. The reversal of 47611261 is 16211674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46648900 + 962361 = 6830^2 + 981^2 .

It is a cyclic number.

It is not a de Polignac number, because 47611261 - 2¹³ = 47603069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47611211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23805630 + 23805631.

It is an arithmetic number, because the mean of its divisors is an integer number (23805631).

Almost surely, 2^47611261 is an apocalyptic number.

It is an amenable number.

47611261 is a deficient number, since it is larger than the sum of its proper divisors (1).

47611261 is an equidigital number, since it uses as much as digits as its factorization.

47611261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 47611261 is about 6900.0913762065. The cubic root of 47611261 is about 362.4403668850.

The spelling of 47611261 in words is "forty-seven million, six hundred eleven thousand, two hundred sixty-one".