61263653 has 8 divisors (see below), whose sum is σ = 67966560. Its totient is φ = 54749680.

The previous prime is 61263647. The next prime is 61263659. The reversal of 61263653 is 35636216.

It is an interprime number because it is at equal distance from previous prime (61263647) and next prime (61263659).

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 61263653 - 2⁴ = 61263637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61263659) 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, 46550 + ... + 47847.

It is an arithmetic number, because the mean of its divisors is an integer number (8495820).

Almost surely, 2^61263653 is an apocalyptic number.

It is an amenable number.

61263653 is a deficient number, since it is larger than the sum of its proper divisors (6702907).

61263653 is a wasteful number, since it uses less digits than its factorization.

61263653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94467.

The product of its digits is 19440, while the sum is 32.

The square root of 61263653 is about 7827.1101308210. The cubic root of 61263653 is about 394.2160448599.

Adding to 61263653 its reverse (35636216), we get a palindrome (96899869).

It can be divided in two parts, 61263 and 653, that added together give a palindrome (61916).

The spelling of 61263653 in words is "sixty-one million, two hundred sixty-three thousand, six hundred fifty-three".