61061517 has 12 divisors (see below), whose sum is σ = 96218304. Its totient is φ = 37006920.

The previous prime is 61061513. The next prime is 61061551. The reversal of 61061517 is 71516016.

It is not a de Polignac number, because 61061517 - 2² = 61061513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61061513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308293 + ... + 308490.

It is an arithmetic number, because the mean of its divisors is an integer number (8018192).

Almost surely, 2^61061517 is an apocalyptic number.

It is an amenable number.

61061517 is a deficient number, since it is larger than the sum of its proper divisors (35156787).

61061517 is a wasteful number, since it uses less digits than its factorization.

61061517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616800 (or 616797 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 61061517 is about 7814.1869058783. The cubic root of 61061517 is about 393.7820025387.

The spelling of 61061517 in words is "sixty-one million, sixty-one thousand, five hundred seventeen".