608112261 has 6 divisors (see below), whose sum is σ = 878384390. Its totient is φ = 405408168.

The previous prime is 608112257. The next prime is 608112269. The reversal of 608112261 is 162211806.

It can be written as a sum of positive squares in only one way, i.e., 557432100 + 50680161 = 23610^2 + 7119^2 .

It is not a de Polignac number, because 608112261 - 2² = 608112257 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 (608112269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33784006 + ... + 33784023.

Almost surely, 2^608112261 is an apocalyptic number.

It is an amenable number.

608112261 is a deficient number, since it is larger than the sum of its proper divisors (270272129).

608112261 is a wasteful number, since it uses less digits than its factorization.

608112261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67568035 (or 67568032 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 608112261 is about 24659.9322991771. The cubic root of 608112261 is about 847.2168537510.

The spelling of 608112261 in words is "six hundred eight million, one hundred twelve thousand, two hundred sixty-one".