61488753 has 16 divisors (see below), whose sum is σ = 84680640. Its totient is φ = 39662784.

The previous prime is 61488733. The next prime is 61488761. The reversal of 61488753 is 35788416.

It is not a de Polignac number, because 61488753 - 2⁶ = 61488689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61488733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11875 + ... + 16247.

It is an arithmetic number, because the mean of its divisors is an integer number (5292540).

Almost surely, 2^61488753 is an apocalyptic number.

It is an amenable number.

61488753 is a deficient number, since it is larger than the sum of its proper divisors (23191887).

61488753 is a wasteful number, since it uses less digits than its factorization.

61488753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528.

The product of its digits is 161280, while the sum is 42.

The square root of 61488753 is about 7841.4764553622. The cubic root of 61488753 is about 394.6982751644.

The spelling of 61488753 in words is "sixty-one million, four hundred eighty-eight thousand, seven hundred fifty-three".