531190147 has 2 divisors, whose sum is σ = 531190148. Its totient is φ = 531190146.

The previous prime is 531190141. The next prime is 531190169. The reversal of 531190147 is 741091135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531190147 - 2²⁷ = 396972419 is a prime.

It is not a weakly prime, because it can be changed into another prime (531190141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265595073 + 265595074.

It is an arithmetic number, because the mean of its divisors is an integer number (265595074).

Almost surely, 2^531190147 is an apocalyptic number.

531190147 is a deficient number, since it is larger than the sum of its proper divisors (1).

531190147 is an equidigital number, since it uses as much as digits as its factorization.

531190147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 531190147 is about 23047.5627127903. The cubic root of 531190147 is about 809.8725334147.

The spelling of 531190147 in words is "five hundred thirty-one million, one hundred ninety thousand, one hundred forty-seven".