537061081 has 4 divisors (see below), whose sum is σ = 554385664. Its totient is φ = 519736500.

The previous prime is 537061069. The next prime is 537061097. The reversal of 537061081 is 180160735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-537061081 is a prime.

It is a super-2 number, since 2×537061081² = 576869209449777122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 17324551 = 537061081 / (5 + 3 + 7 + 0 + 6 + 1 + 0 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537061051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8662245 + ... + 8662306.

It is an arithmetic number, because the mean of its divisors is an integer number (138596416).

Almost surely, 2^537061081 is an apocalyptic number.

It is an amenable number.

537061081 is a deficient number, since it is larger than the sum of its proper divisors (17324583).

537061081 is a wasteful number, since it uses less digits than its factorization.

537061081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17324582.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 537061081 is about 23174.5783348910. The cubic root of 537061081 is about 812.8452905891.

The spelling of 537061081 in words is "five hundred thirty-seven million, sixty-one thousand, eighty-one".