561270477 has 16 divisors (see below), whose sum is σ = 764468928. Its totient is φ = 366163200.

The previous prime is 561270461. The next prime is 561270503. The reversal of 561270477 is 774072165.

561270477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561270477 - 2⁴ = 561270461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561270377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59358 + ... + 68160.

It is an arithmetic number, because the mean of its divisors is an integer number (47779308).

Almost surely, 2^561270477 is an apocalyptic number.

It is an amenable number.

561270477 is a deficient number, since it is larger than the sum of its proper divisors (203198451).

561270477 is a wasteful number, since it uses less digits than its factorization.

561270477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260.

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 561270477 is about 23691.1476505466. The cubic root of 561270477 is about 824.8799222849.

The spelling of 561270477 in words is "five hundred sixty-one million, two hundred seventy thousand, four hundred seventy-seven".