61441653 has 16 divisors (see below), whose sum is σ = 100827776. Its totient is φ = 32408640.

The previous prime is 61441651. The next prime is 61441661. The reversal of 61441653 is 35614416.

It is not a de Polignac number, because 61441653 - 2¹ = 61441651 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 61441653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61441651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112258 + ... + 112803.

It is an arithmetic number, because the mean of its divisors is an integer number (6301736).

Almost surely, 2^61441653 is an apocalyptic number.

It is an amenable number.

61441653 is a deficient number, since it is larger than the sum of its proper divisors (39386123).

61441653 is a wasteful number, since it uses less digits than its factorization.

61441653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225084.

The product of its digits is 8640, while the sum is 30.

The square root of 61441653 is about 7838.4726190757. The cubic root of 61441653 is about 394.5974706186.

The spelling of 61441653 in words is "sixty-one million, four hundred forty-one thousand, six hundred fifty-three".