47263531 has 4 divisors (see below), whose sum is σ = 54015472. Its totient is φ = 40511592.

The previous prime is 47263457. The next prime is 47263549. The reversal of 47263531 is 13536274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47263531 - 2⁹ = 47263019 is a prime.

It is a super-2 number, since 2×47263531² = 4467682725175922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47263493 and 47263502.

It is not an unprimeable number, because it can be changed into a prime (47263831) 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, 3375960 + ... + 3375973.

It is an arithmetic number, because the mean of its divisors is an integer number (13503868).

Almost surely, 2^47263531 is an apocalyptic number.

47263531 is a deficient number, since it is larger than the sum of its proper divisors (6751941).

47263531 is an equidigital number, since it uses as much as digits as its factorization.

47263531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751940.

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

The square root of 47263531 is about 6874.8477074041. The cubic root of 47263531 is about 361.5558459993. Note that the first 3 decimals are identical.

The spelling of 47263531 in words is "forty-seven million, two hundred sixty-three thousand, five hundred thirty-one".