61038535 has 8 divisors (see below), whose sum is σ = 75609216. Its totient is φ = 47255520.

The previous prime is 61038529. The next prime is 61038553. The reversal of 61038535 is 53583016.

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

It is not a de Polignac number, because 61038535 - 2⁵ = 61038503 is a prime.

It is a super-3 number, since 3×61038535³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61038497 and 61038506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196744 + ... + 197053.

It is an arithmetic number, because the mean of its divisors is an integer number (9451152).

Almost surely, 2^61038535 is an apocalyptic number.

61038535 is a deficient number, since it is larger than the sum of its proper divisors (14570681).

61038535 is a wasteful number, since it uses less digits than its factorization.

61038535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393833.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 61038535 is about 7812.7162370075. The cubic root of 61038535 is about 393.7325931668.

The spelling of 61038535 in words is "sixty-one million, thirty-eight thousand, five hundred thirty-five".