61031562 has 16 divisors (see below), whose sum is σ = 122144160. Its totient is φ = 20330352.

The previous prime is 61031549. The next prime is 61031569. The reversal of 61031562 is 26513016.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (61031569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11373 + ... + 15855.

It is an arithmetic number, because the mean of its divisors is an integer number (7634010).

Almost surely, 2^61031562 is an apocalyptic number.

61031562 is an abundant number, since it is smaller than the sum of its proper divisors (61112598).

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

61031562 is a wasteful number, since it uses less digits than its factorization.

61031562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6757.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 61031562 is about 7812.2699646134. The cubic root of 61031562 is about 393.7175993495.

Adding to 61031562 its reverse (26513016), we get a palindrome (87544578).

The spelling of 61031562 in words is "sixty-one million, thirty-one thousand, five hundred sixty-two".