612899059 has 4 divisors (see below), whose sum is σ = 619217704. Its totient is φ = 606580416.

The previous prime is 612899033. The next prime is 612899069. The reversal of 612899059 is 950998216.

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 612899059 - 2⁷ = 612898931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612899029) 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, 3159177 + ... + 3159370.

It is an arithmetic number, because the mean of its divisors is an integer number (154804426).

Almost surely, 2^612899059 is an apocalyptic number.

612899059 is a deficient number, since it is larger than the sum of its proper divisors (6318645).

612899059 is an equidigital number, since it uses as much as digits as its factorization.

612899059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318644.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 612899059 is about 24756.7982380598. The cubic root of 612899059 is about 849.4340218392.

The spelling of 612899059 in words is "six hundred twelve million, eight hundred ninety-nine thousand, fifty-nine".