61029875 has 8 divisors (see below), whose sum is σ = 76165440. Its totient is φ = 48823800.

The previous prime is 61029823. The next prime is 61029877. The reversal of 61029875 is 57892016.

It is not a de Polignac number, because 61029875 - 2¹⁶ = 60964339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61029877) 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 7 ways as a sum of consecutive naturals, for example, 243995 + ... + 244244.

It is an arithmetic number, because the mean of its divisors is an integer number (9520680).

Almost surely, 2^61029875 is an apocalyptic number.

61029875 is a deficient number, since it is larger than the sum of its proper divisors (15135565).

61029875 is an equidigital number, since it uses as much as digits as its factorization.

61029875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488254 (or 488244 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 61029875 is about 7812.1619926881. The cubic root of 61029875 is about 393.7139716762.

The spelling of 61029875 in words is "sixty-one million, twenty-nine thousand, eight hundred seventy-five".