61360551 has 32 divisors (see below), whose sum is σ = 104993280. Its totient is φ = 34691328.

The previous prime is 61360517. The next prime is 61360589. The reversal of 61360551 is 15506316.

It is a happy number.

61360551 is a `hidden beast` number, since 6 + 1 + 3 + 605 + 51 = 666.

61360551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61360551 - 2⁶ = 61360487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61360151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16660 + ... + 20006.

It is an arithmetic number, because the mean of its divisors is an integer number (3281040).

Almost surely, 2^61360551 is an apocalyptic number.

61360551 is a deficient number, since it is larger than the sum of its proper divisors (43632729).

61360551 is a wasteful number, since it uses less digits than its factorization.

61360551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460 (or 3454 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 61360551 is about 7833.2975814787. The cubic root of 61360551 is about 394.4237733854.

Adding to 61360551 its reverse (15506316), we get a palindrome (76866867).

The spelling of 61360551 in words is "sixty-one million, three hundred sixty thousand, five hundred fifty-one".