47797537 has 2 divisors, whose sum is σ = 47797538. Its totient is φ = 47797536.

The previous prime is 47797501. The next prime is 47797583. The reversal of 47797537 is 73579774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45104656 + 2692881 = 6716^2 + 1641^2 .

It is a cyclic number.

It is not a de Polignac number, because 47797537 - 2¹⁹ = 47273249 is a prime.

It is not a weakly prime, because it can be changed into another prime (47797837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23898768 + 23898769.

It is an arithmetic number, because the mean of its divisors is an integer number (23898769).

Almost surely, 2^47797537 is an apocalyptic number.

It is an amenable number.

47797537 is a deficient number, since it is larger than the sum of its proper divisors (1).

47797537 is an equidigital number, since it uses as much as digits as its factorization.

47797537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296540, while the sum is 49.

The square root of 47797537 is about 6913.5762814914. The cubic root of 47797537 is about 362.9124266685.

The spelling of 47797537 in words is "forty-seven million, seven hundred ninety-seven thousand, five hundred thirty-seven".