61532116 has 12 divisors (see below), whose sum is σ = 108634932. Its totient is φ = 30493568.

The previous prime is 61532101. The next prime is 61532123. The reversal of 61532116 is 61123516.

It can be written as a sum of positive squares in 2 ways, for example, as 28515600 + 33016516 = 5340^2 + 5746^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67615 + ... + 68518.

It is an arithmetic number, because the mean of its divisors is an integer number (9052911).

Almost surely, 2^61532116 is an apocalyptic number.

It is an amenable number.

61532116 is a deficient number, since it is larger than the sum of its proper divisors (47102816).

61532116 is a wasteful number, since it uses less digits than its factorization.

61532116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136250 (or 136248 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 61532116 is about 7844.2409447951. The cubic root of 61532116 is about 394.7910361909.

The spelling of 61532116 in words is "sixty-one million, five hundred thirty-two thousand, one hundred sixteen".