61598061 has 12 divisors (see below), whose sum is σ = 101685792. Its totient is φ = 35198856.

The previous prime is 61598027. The next prime is 61598099. The reversal of 61598061 is 16089516.

61598061 is a `hidden beast` number, since 6 + 1 + 598 + 0 + 61 = 666.

It is not a de Polignac number, because 61598061 - 2¹⁹ = 61073773 is a prime.

It is a super-2 number, since 2×61598061² = 7588642237919442, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61598461) 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 11 ways as a sum of consecutive naturals, for example, 488811 + ... + 488936.

It is an arithmetic number, because the mean of its divisors is an integer number (8473816).

Almost surely, 2^61598061 is an apocalyptic number.

It is an amenable number.

61598061 is a deficient number, since it is larger than the sum of its proper divisors (40087731).

61598061 is a wasteful number, since it uses less digits than its factorization.

61598061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977760 (or 977757 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 61598061 is about 7848.4432214293. The cubic root of 61598061 is about 394.9320205612.

The spelling of 61598061 in words is "sixty-one million, five hundred ninety-eight thousand, sixty-one".