61475533 has 8 divisors (see below), whose sum is σ = 70388352. Its totient is φ = 52595376.

The previous prime is 61475521. The next prime is 61475543. The reversal of 61475533 is 33557416.

61475533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61475533 - 2⁵ = 61475501 is a prime.

It is a super-3 number, since 3×61475533³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61475543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3985 + ... + 11782.

It is an arithmetic number, because the mean of its divisors is an integer number (8798544).

Almost surely, 2^61475533 is an apocalyptic number.

It is an amenable number.

61475533 is a deficient number, since it is larger than the sum of its proper divisors (8912819).

61475533 is a wasteful number, since it uses less digits than its factorization.

61475533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16331.

The product of its digits is 37800, while the sum is 34.

The square root of 61475533 is about 7840.6334565518. The cubic root of 61475533 is about 394.6699866025.

The spelling of 61475533 in words is "sixty-one million, four hundred seventy-five thousand, five hundred thirty-three".