537561316 has 6 divisors (see below), whose sum is σ = 940732310. Its totient is φ = 268780656.

The previous prime is 537561307. The next prime is 537561329. The reversal of 537561316 is 613165735.

It can be written as a sum of positive squares in only one way, i.e., 322058916 + 215502400 = 17946^2 + 14680^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67195161 + ... + 67195168.

Almost surely, 2^537561316 is an apocalyptic number.

It is an amenable number.

537561316 is a deficient number, since it is larger than the sum of its proper divisors (403170994).

537561316 is a wasteful number, since it uses less digits than its factorization.

537561316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134390333 (or 134390331 counting only the distinct ones).

The product of its digits is 56700, while the sum is 37.

The square root of 537561316 is about 23185.3685758929. The cubic root of 537561316 is about 813.0975818706.

The spelling of 537561316 in words is "five hundred thirty-seven million, five hundred sixty-one thousand, three hundred sixteen".