61059375 has 72 divisors (see below), whose sum is σ = 119429856. Its totient is φ = 29880000.

The previous prime is 61059347. The next prime is 61059377. The reversal of 61059375 is 57395016.

It is a happy number.

61059375 is a `hidden beast` number, since 61 + 0 + 593 + 7 + 5 = 666.

It is not a de Polignac number, because 61059375 - 2⁵ = 61059343 is a prime.

It is a super-3 number, since 3×61059375³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61059377) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 365542 + ... + 365708.

It is an arithmetic number, because the mean of its divisors is an integer number (1658748).

Almost surely, 2^61059375 is an apocalyptic number.

61059375 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61059375 is a deficient number, since it is larger than the sum of its proper divisors (58370481).

61059375 is a wasteful number, since it uses less digits than its factorization.

61059375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 61059375 is about 7814.0498462705. The cubic root of 61059375 is about 393.7773979424. Note that the first 3 decimals are identical.

The spelling of 61059375 in words is "sixty-one million, fifty-nine thousand, three hundred seventy-five".