61322315 has 8 divisors (see below), whose sum is σ = 77915520. Its totient is φ = 46172032.

The previous prime is 61322311. The next prime is 61322323. The reversal of 61322315 is 51322316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61322315 - 2² = 61322311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61322311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360635 + ... + 360804.

It is an arithmetic number, because the mean of its divisors is an integer number (9739440).

Almost surely, 2^61322315 is an apocalyptic number.

61322315 is a deficient number, since it is larger than the sum of its proper divisors (16593205).

61322315 is a wasteful number, since it uses less digits than its factorization.

61322315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721461.

The product of its digits is 1080, while the sum is 23.

The square root of 61322315 is about 7830.8565942686. The cubic root of 61322315 is about 394.3418297436.

Subtracting from 61322315 its reverse (51322316), we obtain a palindrome (9999999).

The spelling of 61322315 in words is "sixty-one million, three hundred twenty-two thousand, three hundred fifteen".