47380531 has 8 divisors (see below), whose sum is σ = 51743664. Its totient is φ = 43026720.

The previous prime is 47380511. The next prime is 47380537. The reversal of 47380531 is 13508374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47380531 - 2⁵ = 47380499 is a prime.

It is a super-2 number, since 2×47380531² = 4489829435683922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47380493 and 47380502.

It is not an unprimeable number, because it can be changed into a prime (47380537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12361 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (6467958).

Almost surely, 2^47380531 is an apocalyptic number.

47380531 is a deficient number, since it is larger than the sum of its proper divisors (4363133).

47380531 is a wasteful number, since it uses less digits than its factorization.

47380531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 47380531 is about 6883.3517271748. The cubic root of 47380531 is about 361.8539417688.

The spelling of 47380531 in words is "forty-seven million, three hundred eighty thousand, five hundred thirty-one".