61313433 has 4 divisors (see below), whose sum is σ = 81751248. Its totient is φ = 40875620.

The previous prime is 61313411. The next prime is 61313459. The reversal of 61313433 is 33431316.

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 61313433 - 2¹⁷ = 61182361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61363433) 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, 10218903 + ... + 10218908.

It is an arithmetic number, because the mean of its divisors is an integer number (20437812).

Almost surely, 2^61313433 is an apocalyptic number.

It is an amenable number.

61313433 is a deficient number, since it is larger than the sum of its proper divisors (20437815).

61313433 is a wasteful number, since it uses less digits than its factorization.

61313433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20437814.

The product of its digits is 1944, while the sum is 24.

The square root of 61313433 is about 7830.2894582512. The cubic root of 61313433 is about 394.3227898381.

Adding to 61313433 its reverse (33431316), we get a palindrome (94744749).

The spelling of 61313433 in words is "sixty-one million, three hundred thirteen thousand, four hundred thirty-three".