61545235 has 8 divisors (see below), whose sum is σ = 73987056. Its totient is φ = 49147680.

The previous prime is 61545227. The next prime is 61545271. The reversal of 61545235 is 53254516.

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

It is not a de Polignac number, because 61545235 - 2³ = 61545227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61545197 and 61545206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7924 + ... + 13633.

It is an arithmetic number, because the mean of its divisors is an integer number (9248382).

Almost surely, 2^61545235 is an apocalyptic number.

61545235 is a deficient number, since it is larger than the sum of its proper divisors (12441821).

61545235 is a wasteful number, since it uses less digits than its factorization.

61545235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22133.

The product of its digits is 18000, while the sum is 31.

The square root of 61545235 is about 7845.0771188051. The cubic root of 61545235 is about 394.8190914348.

The spelling of 61545235 in words is "sixty-one million, five hundred forty-five thousand, two hundred thirty-five".