61020485 has 16 divisors (see below), whose sum is σ = 74271600. Its totient is φ = 48124416.

The previous prime is 61020433. The next prime is 61020499. The reversal of 61020485 is 58402016.

It can be written as a sum of positive squares in 8 ways, for example, as 538756 + 60481729 = 734^2 + 7777^2 .

It is a cyclic number.

It is not a de Polignac number, because 61020485 - 2¹⁰ = 61019461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156671 + ... + 157059.

It is an arithmetic number, because the mean of its divisors is an integer number (4641975).

Almost surely, 2^61020485 is an apocalyptic number.

It is an amenable number.

61020485 is a deficient number, since it is larger than the sum of its proper divisors (13251115).

61020485 is a wasteful number, since it uses less digits than its factorization.

61020485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 61020485 is about 7811.5609835679. The cubic root of 61020485 is about 393.6937784849.

The spelling of 61020485 in words is "sixty-one million, twenty thousand, four hundred eighty-five".