61133933 has 4 divisors (see below), whose sum is σ = 69867360. Its totient is φ = 52400508.

The previous prime is 61133909. The next prime is 61133939. The reversal of 61133933 is 33933116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61133933 - 2⁶ = 61133869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61133896 and 61133905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61133939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4366703 + ... + 4366716.

It is an arithmetic number, because the mean of its divisors is an integer number (17466840).

Almost surely, 2^61133933 is an apocalyptic number.

It is an amenable number.

61133933 is a deficient number, since it is larger than the sum of its proper divisors (8733427).

61133933 is an equidigital number, since it uses as much as digits as its factorization.

61133933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8733426.

The product of its digits is 4374, while the sum is 29.

The square root of 61133933 is about 7818.8191563688. The cubic root of 61133933 is about 393.9376098312.

The spelling of 61133933 in words is "sixty-one million, one hundred thirty-three thousand, nine hundred thirty-three".