61324499 has 4 divisors (see below), whose sum is σ = 61557936. Its totient is φ = 61091064.

The previous prime is 61324481. The next prime is 61324511. The reversal of 61324499 is 99442316.

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

It is a cyclic number.

It is not a de Polignac number, because 61324499 - 2¹² = 61320403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61324469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116324 + ... + 116849.

It is an arithmetic number, because the mean of its divisors is an integer number (15389484).

Almost surely, 2^61324499 is an apocalyptic number.

61324499 is a deficient number, since it is larger than the sum of its proper divisors (233437).

61324499 is a wasteful number, since it uses less digits than its factorization.

61324499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233436.

The product of its digits is 46656, while the sum is 38.

The square root of 61324499 is about 7830.9960413730. The cubic root of 61324499 is about 394.3465111951.

The spelling of 61324499 in words is "sixty-one million, three hundred twenty-four thousand, four hundred ninety-nine".