61532361 has 24 divisors (see below), whose sum is σ = 97400160. Its totient is φ = 37123200.

The previous prime is 61532329. The next prime is 61532371. The reversal of 61532361 is 16323516.

It is not a de Polignac number, because 61532361 - 2⁵ = 61532329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61532371) 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, 22570 + ... + 25148.

It is an arithmetic number, because the mean of its divisors is an integer number (4058340).

Almost surely, 2^61532361 is an apocalyptic number.

It is an amenable number.

61532361 is a deficient number, since it is larger than the sum of its proper divisors (35867799).

61532361 is a wasteful number, since it uses less digits than its factorization.

61532361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837 (or 2834 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 61532361 is about 7844.2565613320. The cubic root of 61532361 is about 394.7915601649.

Adding to 61532361 its reverse (16323516), we get a palindrome (77855877).

The spelling of 61532361 in words is "sixty-one million, five hundred thirty-two thousand, three hundred sixty-one".