61255101 has 12 divisors (see below), whose sum is σ = 84397056. Its totient is φ = 39517560.

The previous prime is 61255087. The next prime is 61255109. The reversal of 61255101 is 10155216.

It is not a de Polignac number, because 61255101 - 2¹¹ = 61253053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61255109) 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, 7741 + ... + 13506.

It is an arithmetic number, because the mean of its divisors is an integer number (7033088).

Almost surely, 2^61255101 is an apocalyptic number.

It is an amenable number.

61255101 is a deficient number, since it is larger than the sum of its proper divisors (23141955).

61255101 is a wasteful number, since it uses less digits than its factorization.

61255101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21312 (or 21281 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 61255101 is about 7826.5638054002. The cubic root of 61255101 is about 394.1977006904.

The spelling of 61255101 in words is "sixty-one million, two hundred fifty-five thousand, one hundred one".