4747531 has 2 divisors, whose sum is σ = 4747532. Its totient is φ = 4747530.

The previous prime is 4747493. The next prime is 4747537. The reversal of 4747531 is 1357474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4747531 - 2¹⁹ = 4223243 is a prime.

It is a super-2 number, since 2×4747531² = 45078101191922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4747493 and 4747502.

It is not a weakly prime, because it can be changed into another prime (4747537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2373765 + 2373766.

It is an arithmetic number, because the mean of its divisors is an integer number (2373766).

Almost surely, 2^4747531 is an apocalyptic number.

4747531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4747531 is an equidigital number, since it uses as much as digits as its factorization.

4747531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 31.

The square root of 4747531 is about 2178.8829706985. The cubic root of 4747531 is about 168.0696399684.

The spelling of 4747531 in words is "four million, seven hundred forty-seven thousand, five hundred thirty-one".