61125463 has 4 divisors (see below), whose sum is σ = 69857680. Its totient is φ = 52393248.

The previous prime is 61125461. The next prime is 61125469. The reversal of 61125463 is 36452116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61125463 - 2¹ = 61125461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61125461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4366098 + ... + 4366111.

It is an arithmetic number, because the mean of its divisors is an integer number (17464420).

Almost surely, 2^61125463 is an apocalyptic number.

61125463 is a deficient number, since it is larger than the sum of its proper divisors (8732217).

61125463 is an equidigital number, since it uses as much as digits as its factorization.

61125463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8732216.

The product of its digits is 4320, while the sum is 28.

The square root of 61125463 is about 7818.2774957148. The cubic root of 61125463 is about 393.9194158676.

Adding to 61125463 its reverse (36452116), we get a palindrome (97577579).

The spelling of 61125463 in words is "sixty-one million, one hundred twenty-five thousand, four hundred sixty-three".