47502881 has 4 divisors (see below), whose sum is σ = 49035264. Its totient is φ = 45970500.

The previous prime is 47502877. The next prime is 47502883. The reversal of 47502881 is 18820574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47502881 - 2² = 47502877 is a prime.

It is a super-2 number, since 2×47502881² = 4513047406600322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47502883) 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, 766145 + ... + 766206.

It is an arithmetic number, because the mean of its divisors is an integer number (12258816).

Almost surely, 2^47502881 is an apocalyptic number.

It is an amenable number.

47502881 is a deficient number, since it is larger than the sum of its proper divisors (1532383).

47502881 is a wasteful number, since it uses less digits than its factorization.

47502881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532382.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 47502881 is about 6892.2333825836. The cubic root of 47502881 is about 362.1651439657.

The spelling of 47502881 in words is "forty-seven million, five hundred two thousand, eight hundred eighty-one".