61255653 has 4 divisors (see below), whose sum is σ = 81674208. Its totient is φ = 40837100.

The previous prime is 61255643. The next prime is 61255657. The reversal of 61255653 is 35655216.

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 61255653 - 2¹² = 61251557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61255657) 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 3 ways as a sum of consecutive naturals, for example, 10209273 + ... + 10209278.

It is an arithmetic number, because the mean of its divisors is an integer number (20418552).

Almost surely, 2^61255653 is an apocalyptic number.

It is an amenable number.

61255653 is a deficient number, since it is larger than the sum of its proper divisors (20418555).

61255653 is a wasteful number, since it uses less digits than its factorization.

61255653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20418554.

The product of its digits is 27000, while the sum is 33.

The square root of 61255653 is about 7826.5990698387. The cubic root of 61255653 is about 394.1988847903.

It can be divided in two parts, 612 and 55653, that added together give a palindrome (56265).

The spelling of 61255653 in words is "sixty-one million, two hundred fifty-five thousand, six hundred fifty-three".