505034531 has 2 divisors, whose sum is σ = 505034532. Its totient is φ = 505034530.

The previous prime is 505034443. The next prime is 505034533. The reversal of 505034531 is 135430505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505034531 - 2²⁶ = 437925667 is a prime.

It is a super-2 number, since 2×505034531² = 510119755004779922, which contains 22 as substring.

Together with 505034533, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505034531.

It is not a weakly prime, because it can be changed into another prime (505034533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252517265 + 252517266.

It is an arithmetic number, because the mean of its divisors is an integer number (252517266).

Almost surely, 2^505034531 is an apocalyptic number.

505034531 is a deficient number, since it is larger than the sum of its proper divisors (1).

505034531 is an equidigital number, since it uses as much as digits as its factorization.

505034531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 505034531 is about 22472.9733457769. The cubic root of 505034531 is about 796.3555744765.

The spelling of 505034531 in words is "five hundred five million, thirty-four thousand, five hundred thirty-one".