61327275 has 12 divisors (see below), whose sum is σ = 101394552. Its totient is φ = 32707840.

The previous prime is 61327261. The next prime is 61327297. The reversal of 61327275 is 57272316.

It is not a de Polignac number, because 61327275 - 2¹⁸ = 61065131 is a prime.

It is a super-2 number, since 2×61327275² = 7522069317851250, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 408774 + ... + 408923.

It is an arithmetic number, because the mean of its divisors is an integer number (8449546).

Almost surely, 2^61327275 is an apocalyptic number.

61327275 is a deficient number, since it is larger than the sum of its proper divisors (40067277).

61327275 is a wasteful number, since it uses less digits than its factorization.

61327275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817710 (or 817705 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 61327275 is about 7831.1732837424. The cubic root of 61327275 is about 394.3524614511.

The spelling of 61327275 in words is "sixty-one million, three hundred twenty-seven thousand, two hundred seventy-five".