61085053 has 4 divisors (see below), whose sum is σ = 61244928. Its totient is φ = 60925180.

The previous prime is 61085051. The next prime is 61085099. The reversal of 61085053 is 35058016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61085053 - 2¹ = 61085051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61085051) 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, 79363 + ... + 80128.

It is an arithmetic number, because the mean of its divisors is an integer number (15311232).

Almost surely, 2^61085053 is an apocalyptic number.

It is an amenable number.

61085053 is a deficient number, since it is larger than the sum of its proper divisors (159875).

61085053 is a wasteful number, since it uses less digits than its factorization.

61085053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159874.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 61085053 is about 7815.6927396105. The cubic root of 61085053 is about 393.8325901163.

The spelling of 61085053 in words is "sixty-one million, eighty-five thousand, fifty-three".