561236532 has 12 divisors (see below), whose sum is σ = 1309551936. Its totient is φ = 187078840.

The previous prime is 561236527. The next prime is 561236537. The reversal of 561236532 is 235632165.

It is an interprime number because it is at equal distance from previous prime (561236527) and next prime (561236537).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 561236493 and 561236502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561236537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23384844 + ... + 23384867.

It is an arithmetic number, because the mean of its divisors is an integer number (109129328).

Almost surely, 2^561236532 is an apocalyptic number.

It is an amenable number.

561236532 is an abundant number, since it is smaller than the sum of its proper divisors (748315404).

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

561236532 is a wasteful number, since it uses less digits than its factorization.

561236532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46769718 (or 46769716 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 561236532 is about 23690.4312328839. The cubic root of 561236532 is about 824.8632926832.

Adding to 561236532 its reverse (235632165), we get a palindrome (796868697).

The spelling of 561236532 in words is "five hundred sixty-one million, two hundred thirty-six thousand, five hundred thirty-two".