61238434 has 4 divisors (see below), whose sum is σ = 91857654. Its totient is φ = 30619216.

The previous prime is 61238417. The next prime is 61238453. The reversal of 61238434 is 43483216.

61238434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 19829209 = 6435^2 + 4453^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 61238396 and 61238405.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15309607 + ... + 15309610.

Almost surely, 2^61238434 is an apocalyptic number.

61238434 is a deficient number, since it is larger than the sum of its proper divisors (30619220).

61238434 is a wasteful number, since it uses less digits than its factorization.

61238434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30619219.

The product of its digits is 13824, while the sum is 31.

The square root of 61238434 is about 7825.4989617276. The cubic root of 61238434 is about 394.1619448162.

The spelling of 61238434 in words is "sixty-one million, two hundred thirty-eight thousand, four hundred thirty-four".