47497613 has 2 divisors, whose sum is σ = 47497614. Its totient is φ = 47497612.

The previous prime is 47497607. The next prime is 47497627. The reversal of 47497613 is 31679474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28111204 + 19386409 = 5302^2 + 4403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47497613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47497633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23748806 + 23748807.

It is an arithmetic number, because the mean of its divisors is an integer number (23748807).

Almost surely, 2^47497613 is an apocalyptic number.

It is an amenable number.

47497613 is a deficient number, since it is larger than the sum of its proper divisors (1).

47497613 is an equidigital number, since it uses as much as digits as its factorization.

47497613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 47497613 is about 6891.8512026886. The cubic root of 47497613 is about 362.1517556093.

The spelling of 47497613 in words is "forty-seven million, four hundred ninety-seven thousand, six hundred thirteen".