61040562 has 32 divisors (see below), whose sum is σ = 134512704. Its totient is φ = 18312000.

The previous prime is 61040543. The next prime is 61040587. The reversal of 61040562 is 26504016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2088 + ... + 11244.

It is an arithmetic number, because the mean of its divisors is an integer number (4203522).

Almost surely, 2^61040562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61040562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67256352).

61040562 is an abundant number, since it is smaller than the sum of its proper divisors (73472142).

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

61040562 is a wasteful number, since it uses less digits than its factorization.

61040562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9274.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 61040562 is about 7812.8459603399. The cubic root of 61040562 is about 393.7369515454.

Adding to 61040562 its reverse (26504016), we get a palindrome (87544578).

The spelling of 61040562 in words is "sixty-one million, forty thousand, five hundred sixty-two".