61479653 has 8 divisors (see below), whose sum is σ = 62031360. Its totient is φ = 60930720.

The previous prime is 61479647. The next prime is 61479659. The reversal of 61479653 is 35697416.

It is an interprime number because it is at equal distance from previous prime (61479647) and next prime (61479659).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61479653 - 2⁶ = 61479589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61479653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61479659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77726 + ... + 78512.

It is an arithmetic number, because the mean of its divisors is an integer number (7753920).

Almost surely, 2^61479653 is an apocalyptic number.

It is an amenable number.

61479653 is a deficient number, since it is larger than the sum of its proper divisors (551707).

61479653 is a wasteful number, since it uses less digits than its factorization.

61479653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its digits is 136080, while the sum is 41.

The square root of 61479653 is about 7840.8961860236. The cubic root of 61479653 is about 394.6788031400.

The spelling of 61479653 in words is "sixty-one million, four hundred seventy-nine thousand, six hundred fifty-three".