561134577 has 8 divisors (see below), whose sum is σ = 749170816. Its totient is φ = 373594032.

The previous prime is 561134557. The next prime is 561134647. The reversal of 561134577 is 775431165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 561134577 - 2¹² = 561130481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561134527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121273 + ... + 125814.

It is an arithmetic number, because the mean of its divisors is an integer number (93646352).

Almost surely, 2^561134577 is an apocalyptic number.

It is an amenable number.

561134577 is a deficient number, since it is larger than the sum of its proper divisors (188036239).

561134577 is a wasteful number, since it uses less digits than its factorization.

561134577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247847.

The product of its digits is 88200, while the sum is 39.

The square root of 561134577 is about 23688.2793169956. The cubic root of 561134577 is about 824.8133410584.

The spelling of 561134577 in words is "five hundred sixty-one million, one hundred thirty-four thousand, five hundred seventy-seven".