561512348 has 6 divisors (see below), whose sum is σ = 982646616. Its totient is φ = 280756172.

The previous prime is 561512279. The next prime is 561512389. The reversal of 561512348 is 843215165.

It is a super-2 number, since 2×561512348² = 630592233912946208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70189040 + ... + 70189047.

It is an arithmetic number, because the mean of its divisors is an integer number (163774436).

Almost surely, 2^561512348 is an apocalyptic number.

It is an amenable number.

561512348 is a deficient number, since it is larger than the sum of its proper divisors (421134268).

561512348 is a wasteful number, since it uses less digits than its factorization.

561512348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140378091 (or 140378089 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 561512348 is about 23696.2517711135. The cubic root of 561512348 is about 824.9983950994.

The spelling of 561512348 in words is "five hundred sixty-one million, five hundred twelve thousand, three hundred forty-eight".