537420685 has 16 divisors (see below), whose sum is σ = 652330800. Its totient is φ = 425005056.

The previous prime is 537420641. The next prime is 537420703. The reversal of 537420685 is 586024735.

It can be written as a sum of positive squares in 8 ways, for example, as 23990404 + 513430281 = 4898^2 + 22659^2 .

It is a cyclic number.

It is not a de Polignac number, because 537420685 - 2¹³ = 537412493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313611 + ... + 315319.

It is an arithmetic number, because the mean of its divisors is an integer number (40770675).

Almost surely, 2^537420685 is an apocalyptic number.

It is an amenable number.

537420685 is a deficient number, since it is larger than the sum of its proper divisors (114910115).

537420685 is a wasteful number, since it uses less digits than its factorization.

537420685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 537420685 is about 23182.3356243498. The cubic root of 537420685 is about 813.0266710769.

The spelling of 537420685 in words is "five hundred thirty-seven million, four hundred twenty thousand, six hundred eighty-five".