601561506 has 32 divisors (see below), whose sum is σ = 1480768128. Its totient is φ = 158653440.

The previous prime is 601561483. The next prime is 601561511. The reversal of 601561506 is 605165106.

601561506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550335 + ... + 551426.

It is an arithmetic number, because the mean of its divisors is an integer number (46274004).

Almost surely, 2^601561506 is an apocalyptic number.

601561506 is an abundant number, since it is smaller than the sum of its proper divisors (879206622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

601561506 is a wasteful number, since it uses less digits than its factorization.

601561506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101786.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 601561506 is about 24526.7508243550. The cubic root of 601561506 is about 844.1637121311.

The spelling of 601561506 in words is "six hundred one million, five hundred sixty-one thousand, five hundred six".