531214705 has 16 divisors (see below), whose sum is σ = 729584640. Its totient is φ = 363730752.

The previous prime is 531214699. The next prime is 531214751. The reversal of 531214705 is 507412135.

It is a happy number.

It is not a de Polignac number, because 531214705 - 2⁷ = 531214577 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14112 + ... + 35518.

It is an arithmetic number, because the mean of its divisors is an integer number (45599040).

Almost surely, 2^531214705 is an apocalyptic number.

It is an amenable number.

531214705 is a deficient number, since it is larger than the sum of its proper divisors (198369935).

531214705 is a wasteful number, since it uses less digits than its factorization.

531214705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22128.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 531214705 is about 23048.0954744638. The cubic root of 531214705 is about 809.8850139067.

The spelling of 531214705 in words is "five hundred thirty-one million, two hundred fourteen thousand, seven hundred five".