561672293 has 16 divisors (see below), whose sum is σ = 700766976. Its totient is φ = 438307200.

The previous prime is 561672283. The next prime is 561672301. The reversal of 561672293 is 392276165.

It is a cyclic number.

It is not a de Polignac number, because 561672293 - 2⁴ = 561672277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561672293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561672283) 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, 35633 + ... + 48918.

It is an arithmetic number, because the mean of its divisors is an integer number (43797936).

Almost surely, 2^561672293 is an apocalyptic number.

It is an amenable number.

561672293 is a deficient number, since it is larger than the sum of its proper divisors (139094683).

561672293 is a wasteful number, since it uses less digits than its factorization.

561672293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84644.

The product of its digits is 136080, while the sum is 41.

The square root of 561672293 is about 23699.6264316550. The cubic root of 561672293 is about 825.0767203828.

The spelling of 561672293 in words is "five hundred sixty-one million, six hundred seventy-two thousand, two hundred ninety-three".