612051071 has 4 divisors (see below), whose sum is σ = 614590944. Its totient is φ = 609511200.

The previous prime is 612051067. The next prime is 612051079. The reversal of 612051071 is 170150216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612051071 - 2² = 612051067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612051079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269575 + ... + 1270056.

It is an arithmetic number, because the mean of its divisors is an integer number (153647736).

Almost surely, 2^612051071 is an apocalyptic number.

612051071 is a deficient number, since it is larger than the sum of its proper divisors (2539873).

612051071 is a wasteful number, since it uses less digits than its factorization.

612051071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539872.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 612051071 is about 24739.6659435814. The cubic root of 612051071 is about 849.0420908996.

The spelling of 612051071 in words is "six hundred twelve million, fifty-one thousand, seventy-one".