61001059 has 4 divisors (see below), whose sum is σ = 69715504. Its totient is φ = 52286616.

The previous prime is 61001053. The next prime is 61001089. The reversal of 61001059 is 95010016.

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 61001059 - 2³ = 61001051 is a prime.

It is a super-2 number, since 2×61001059² = 7442258398242962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61001051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4357212 + ... + 4357225.

It is an arithmetic number, because the mean of its divisors is an integer number (17428876).

Almost surely, 2^61001059 is an apocalyptic number.

61001059 is a deficient number, since it is larger than the sum of its proper divisors (8714445).

61001059 is an equidigital number, since it uses as much as digits as its factorization.

61001059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714444.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 61001059 is about 7810.3174711403. The cubic root of 61001059 is about 393.6519963028.

It can be divided in two parts, 6100105 and 9, that multiplied together give a palindrome (54900945).

The spelling of 61001059 in words is "sixty-one million, one thousand, fifty-nine".