612105355 has 4 divisors (see below), whose sum is σ = 734526432. Its totient is φ = 489684280.

The previous prime is 612105337. The next prime is 612105397. The reversal of 612105355 is 553501216.

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

It is not a de Polignac number, because 612105355 - 2¹⁷ = 611974283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61210531 + ... + 61210540.

It is an arithmetic number, because the mean of its divisors is an integer number (183631608).

Almost surely, 2^612105355 is an apocalyptic number.

612105355 is a deficient number, since it is larger than the sum of its proper divisors (122421077).

612105355 is a wasteful number, since it uses less digits than its factorization.

612105355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122421076.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 612105355 is about 24740.7630238034. The cubic root of 612105355 is about 849.0671912224.

The spelling of 612105355 in words is "six hundred twelve million, one hundred five thousand, three hundred fifty-five".