612065537 has 8 divisors (see below), whose sum is σ = 625950336. Its totient is φ = 598216752.

The previous prime is 612065533. The next prime is 612065579. The reversal of 612065537 is 735560216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612065537 - 2² = 612065533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612065497 and 612065506.

It is not an unprimeable number, because it can be changed into a prime (612065533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26978 + ... + 44180.

It is an arithmetic number, because the mean of its divisors is an integer number (78243792).

Almost surely, 2^612065537 is an apocalyptic number.

It is an amenable number.

612065537 is a deficient number, since it is larger than the sum of its proper divisors (13884799).

612065537 is a wasteful number, since it uses less digits than its factorization.

612065537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18007.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 612065537 is about 24739.9583063513. The cubic root of 612065537 is about 849.0487799635.

The spelling of 612065537 in words is "six hundred twelve million, sixty-five thousand, five hundred thirty-seven".