61053243 has 4 divisors (see below), whose sum is σ = 81404328. Its totient is φ = 40702160.

The previous prime is 61053241. The next prime is 61053263. The reversal of 61053243 is 34235016.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61053243 - 2¹ = 61053241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61053241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10175538 + ... + 10175543.

It is an arithmetic number, because the mean of its divisors is an integer number (20351082).

Almost surely, 2^61053243 is an apocalyptic number.

61053243 is a deficient number, since it is larger than the sum of its proper divisors (20351085).

61053243 is a wasteful number, since it uses less digits than its factorization.

61053243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20351084.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 61053243 is about 7813.6574662574. The cubic root of 61053243 is about 393.7642155613.

Adding to 61053243 its reverse (34235016), we get a palindrome (95288259).

The spelling of 61053243 in words is "sixty-one million, fifty-three thousand, two hundred forty-three".