47135263 has 4 divisors (see below), whose sum is σ = 53868880. Its totient is φ = 40401648.

The previous prime is 47135251. The next prime is 47135293. The reversal of 47135263 is 36253174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36253174 = 2 ⋅18126587.

It is a de Polignac number, because none of the positive numbers 2^k-47135263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47135213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3366798 + ... + 3366811.

It is an arithmetic number, because the mean of its divisors is an integer number (13467220).

Almost surely, 2^47135263 is an apocalyptic number.

47135263 is a deficient number, since it is larger than the sum of its proper divisors (6733617).

47135263 is an equidigital number, since it uses as much as digits as its factorization.

47135263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733616.

The product of its digits is 15120, while the sum is 31.

The square root of 47135263 is about 6865.5125810095. The cubic root of 47135263 is about 361.2284754679.

The spelling of 47135263 in words is "forty-seven million, one hundred thirty-five thousand, two hundred sixty-three".