61532583 has 24 divisors (see below), whose sum is σ = 100465920. Its totient is φ = 33309360.

The previous prime is 61532573. The next prime is 61532587. The reversal of 61532583 is 38523516.

It is not a de Polignac number, because 61532583 - 2¹² = 61528487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61532587) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8223 + ... + 13808.

It is an arithmetic number, because the mean of its divisors is an integer number (4186080).

Almost surely, 2^61532583 is an apocalyptic number.

61532583 is a deficient number, since it is larger than the sum of its proper divisors (38933337).

61532583 is a wasteful number, since it uses less digits than its factorization.

61532583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22067 (or 22060 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 61532583 is about 7844.2707117998. The cubic root of 61532583 is about 394.7920349482.

The spelling of 61532583 in words is "sixty-one million, five hundred thirty-two thousand, five hundred eighty-three".