47254531 has 2 divisors, whose sum is σ = 47254532. Its totient is φ = 47254530.

The previous prime is 47254523. The next prime is 47254573. The reversal of 47254531 is 13545274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47254531 - 2³ = 47254523 is a prime.

It is a super-2 number, since 2×47254531² = 4465981400059922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47254493 and 47254502.

It is not a weakly prime, because it can be changed into another prime (47254231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23627265 + 23627266.

It is an arithmetic number, because the mean of its divisors is an integer number (23627266).

Almost surely, 2^47254531 is an apocalyptic number.

47254531 is a deficient number, since it is larger than the sum of its proper divisors (1).

47254531 is an equidigital number, since it uses as much as digits as its factorization.

47254531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 31.

The square root of 47254531 is about 6874.1931162864. The cubic root of 47254531 is about 361.5328951877.

The spelling of 47254531 in words is "forty-seven million, two hundred fifty-four thousand, five hundred thirty-one".