61135234 has 4 divisors (see below), whose sum is σ = 91702854. Its totient is φ = 30567616.

The previous prime is 61135231. The next prime is 61135241. The reversal of 61135234 is 43253116.

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., 61074225 + 61009 = 7815^2 + 247^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61135199 and 61135208.

It is not an unprimeable number, because it can be changed into a prime (61135231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15283807 + ... + 15283810.

Almost surely, 2^61135234 is an apocalyptic number.

61135234 is a deficient number, since it is larger than the sum of its proper divisors (30567620).

61135234 is a wasteful number, since it uses less digits than its factorization.

61135234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30567619.

The product of its digits is 2160, while the sum is 25.

The square root of 61135234 is about 7818.9023526324. The cubic root of 61135234 is about 393.9404042923.

The spelling of 61135234 in words is "sixty-one million, one hundred thirty-five thousand, two hundred thirty-four".