612061319 has 4 divisors (see below), whose sum is σ = 648064944. Its totient is φ = 576057696.

The previous prime is 612061309. The next prime is 612061321. The reversal of 612061319 is 913160216.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612061319 is a prime.

It is a super-2 number, since 2×612061319² = 749238116432039522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612061291 and 612061300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612061309) 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, 18001787 + ... + 18001820.

It is an arithmetic number, because the mean of its divisors is an integer number (162016236).

Almost surely, 2^612061319 is an apocalyptic number.

612061319 is a deficient number, since it is larger than the sum of its proper divisors (36003625).

612061319 is a wasteful number, since it uses less digits than its factorization.

612061319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36003624.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 612061319 is about 24739.8730594965. The cubic root of 612061319 is about 849.0468295754.

The spelling of 612061319 in words is "six hundred twelve million, sixty-one thousand, three hundred nineteen".