61602331 has 8 divisors (see below), whose sum is σ = 71049440. Its totient is φ = 52316928.

The previous prime is 61602323. The next prime is 61602347. The reversal of 61602331 is 13320616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61602331 - 2³ = 61602323 is a prime.

It is a super-2 number, since 2×61602331² = 7589694369267122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61602311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39606 + ... + 41131.

It is an arithmetic number, because the mean of its divisors is an integer number (8881180).

Almost surely, 2^61602331 is an apocalyptic number.

61602331 is a deficient number, since it is larger than the sum of its proper divisors (9447109).

61602331 is a wasteful number, since it uses less digits than its factorization.

61602331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80853.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 61602331 is about 7848.7152451850. The cubic root of 61602331 is about 394.9411459608.

Adding to 61602331 its reverse (13320616), we get a palindrome (74922947).

The spelling of 61602331 in words is "sixty-one million, six hundred two thousand, three hundred thirty-one".