531552487 has 2 divisors, whose sum is σ = 531552488. Its totient is φ = 531552486.

The previous prime is 531552479. The next prime is 531552499. The reversal of 531552487 is 784255135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531552487 - 2³ = 531552479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531552407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265776243 + 265776244.

It is an arithmetic number, because the mean of its divisors is an integer number (265776244).

Almost surely, 2^531552487 is an apocalyptic number.

531552487 is a deficient number, since it is larger than the sum of its proper divisors (1).

531552487 is an equidigital number, since it uses as much as digits as its factorization.

531552487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168000, while the sum is 40.

The square root of 531552487 is about 23055.4220737769. The cubic root of 531552487 is about 810.0566373037.

The spelling of 531552487 in words is "five hundred thirty-one million, five hundred fifty-two thousand, four hundred eighty-seven".