531737485 has 4 divisors (see below), whose sum is σ = 638084988. Its totient is φ = 425389984.

The previous prime is 531737467. The next prime is 531737551. The reversal of 531737485 is 584737135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584737135 = 5 ⋅116947427.

It can be written as a sum of positive squares in 2 ways, for example, as 174187204 + 357550281 = 13198^2 + 18909^2 .

It is a cyclic number.

It is not a de Polignac number, because 531737485 - 2⁷ = 531737357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53173744 + ... + 53173753.

It is an arithmetic number, because the mean of its divisors is an integer number (159521247).

Almost surely, 2^531737485 is an apocalyptic number.

It is an amenable number.

531737485 is a deficient number, since it is larger than the sum of its proper divisors (106347503).

531737485 is a wasteful number, since it uses less digits than its factorization.

531737485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106347502.

The product of its digits is 352800, while the sum is 43.

The square root of 531737485 is about 23059.4337528049. The cubic root of 531737485 is about 810.1506019823.

The spelling of 531737485 in words is "five hundred thirty-one million, seven hundred thirty-seven thousand, four hundred eighty-five".