61432313 has 4 divisors (see below), whose sum is σ = 61916160. Its totient is φ = 60948468.

The previous prime is 61432303. The next prime is 61432361. The reversal of 61432313 is 31323416.

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 61432313 - 2⁶ = 61432249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61432303) 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, 241733 + ... + 241986.

It is an arithmetic number, because the mean of its divisors is an integer number (15479040).

Almost surely, 2^61432313 is an apocalyptic number.

It is an amenable number.

61432313 is a deficient number, since it is larger than the sum of its proper divisors (483847).

61432313 is a wasteful number, since it uses less digits than its factorization.

61432313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483846.

The product of its digits is 1296, while the sum is 23.

The square root of 61432313 is about 7837.8768170979. The cubic root of 61432313 is about 394.5774748070.

Adding to 61432313 its reverse (31323416), we get a palindrome (92755729).

The spelling of 61432313 in words is "sixty-one million, four hundred thirty-two thousand, three hundred thirteen".