612530377 has 8 divisors (see below), whose sum is σ = 615923456. Its totient is φ = 609146352.

The previous prime is 612530339. The next prime is 612530393. The reversal of 612530377 is 773035216.

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

It is not a de Polignac number, because 612530377 - 2¹⁵ = 612497609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612530977) 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, 166318 + ... + 169960.

It is an arithmetic number, because the mean of its divisors is an integer number (76990432).

Almost surely, 2^612530377 is an apocalyptic number.

It is an amenable number.

612530377 is a deficient number, since it is larger than the sum of its proper divisors (3393079).

612530377 is a wasteful number, since it uses less digits than its factorization.

612530377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 612530377 is about 24749.3510419970. The cubic root of 612530377 is about 849.2636654294.

The spelling of 612530377 in words is "six hundred twelve million, five hundred thirty thousand, three hundred seventy-seven".