61543153 has 8 divisors (see below), whose sum is σ = 72604160. Its totient is φ = 51049440.

The previous prime is 61543127. The next prime is 61543159. The reversal of 61543153 is 35134516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61543153 - 2²¹ = 59446001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61543159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141588 + ... + 142021.

It is an arithmetic number, because the mean of its divisors is an integer number (9075520).

Almost surely, 2^61543153 is an apocalyptic number.

It is an amenable number.

61543153 is a deficient number, since it is larger than the sum of its proper divisors (11061007).

61543153 is a wasteful number, since it uses less digits than its factorization.

61543153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283647.

The product of its digits is 5400, while the sum is 28.

The square root of 61543153 is about 7844.9444230026. The cubic root of 61543153 is about 394.8146393023.

Adding to 61543153 its reverse (35134516), we get a palindrome (96677669).

The spelling of 61543153 in words is "sixty-one million, five hundred forty-three thousand, one hundred fifty-three".