61125562 has 12 divisors (see below), whose sum is σ = 94961646. Its totient is φ = 29508080.

The previous prime is 61125511. The next prime is 61125563. The reversal of 61125562 is 26552116.

It can be written as a sum of positive squares in 3 ways, for example, as 58232161 + 2893401 = 7631^2 + 1701^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61125562.

It is not an unprimeable number, because it can be changed into a prime (61125563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16489 + ... + 19852.

Almost surely, 2^61125562 is an apocalyptic number.

61125562 is a deficient number, since it is larger than the sum of its proper divisors (33836084).

61125562 is a wasteful number, since it uses less digits than its factorization.

61125562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36401 (or 36372 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 61125562 is about 7818.2838270301. The cubic root of 61125562 is about 393.9196285340.

Adding to 61125562 its reverse (26552116), we get a palindrome (87677678).

The spelling of 61125562 in words is "sixty-one million, one hundred twenty-five thousand, five hundred sixty-two".