61325315 has 4 divisors (see below), whose sum is σ = 73590384. Its totient is φ = 49060248.

The previous prime is 61325311. The next prime is 61325321. The reversal of 61325315 is 51352316.

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 61325315 - 2² = 61325311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61325311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6132527 + ... + 6132536.

It is an arithmetic number, because the mean of its divisors is an integer number (18397596).

Almost surely, 2^61325315 is an apocalyptic number.

61325315 is a deficient number, since it is larger than the sum of its proper divisors (12265069).

61325315 is a wasteful number, since it uses less digits than its factorization.

61325315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12265068.

The product of its digits is 2700, while the sum is 26.

The square root of 61325315 is about 7831.0481418518. The cubic root of 61325315 is about 394.3482602803.

The spelling of 61325315 in words is "sixty-one million, three hundred twenty-five thousand, three hundred fifteen".