47261477 has 2 divisors, whose sum is σ = 47261478. Its totient is φ = 47261476.

The previous prime is 47261449. The next prime is 47261491. The reversal of 47261477 is 77416274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44542276 + 2719201 = 6674^2 + 1649^2 .

It is a cyclic number.

It is not a de Polignac number, because 47261477 - 2¹⁰ = 47260453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47261477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47261437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23630738 + 23630739.

It is an arithmetic number, because the mean of its divisors is an integer number (23630739).

Almost surely, 2^47261477 is an apocalyptic number.

It is an amenable number.

47261477 is a deficient number, since it is larger than the sum of its proper divisors (1).

47261477 is an equidigital number, since it uses as much as digits as its factorization.

47261477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 38.

The square root of 47261477 is about 6874.6983206538. The cubic root of 47261477 is about 361.5506083707.

The spelling of 47261477 in words is "forty-seven million, two hundred sixty-one thousand, four hundred seventy-seven".