601255961 has 4 divisors (see below), whose sum is σ = 611446800. Its totient is φ = 591065124.

The previous prime is 601255891. The next prime is 601255999. The reversal of 601255961 is 169552106.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 169552106 = 2 ⋅84776053.

It is a cyclic number.

It is not a de Polignac number, because 601255961 - 2¹⁸ = 600993817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601255561) 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, 5095331 + ... + 5095448.

It is an arithmetic number, because the mean of its divisors is an integer number (152861700).

Almost surely, 2^601255961 is an apocalyptic number.

It is an amenable number.

601255961 is a deficient number, since it is larger than the sum of its proper divisors (10190839).

601255961 is a wasteful number, since it uses less digits than its factorization.

601255961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190838.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 601255961 is about 24520.5212220295. The cubic root of 601255961 is about 844.0207654385.

The spelling of 601255961 in words is "six hundred one million, two hundred fifty-five thousand, nine hundred sixty-one".