47406517 has 2 divisors, whose sum is σ = 47406518. Its totient is φ = 47406516.

The previous prime is 47406493. The next prime is 47406553. The reversal of 47406517 is 71560474.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32706961 + 14699556 = 5719^2 + 3834^2 .

It is a cyclic number.

It is not a de Polignac number, because 47406517 - 2¹⁵ = 47373749 is a prime.

It is a super-3 number, since 3×47406517³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47406617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23703258 + 23703259.

It is an arithmetic number, because the mean of its divisors is an integer number (23703259).

Almost surely, 2^47406517 is an apocalyptic number.

It is an amenable number.

47406517 is a deficient number, since it is larger than the sum of its proper divisors (1).

47406517 is an equidigital number, since it uses as much as digits as its factorization.

47406517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 47406517 is about 6885.2390662925. The cubic root of 47406517 is about 361.9200829862.

The spelling of 47406517 in words is "forty-seven million, four hundred six thousand, five hundred seventeen".