61053143 has 2 divisors, whose sum is σ = 61053144. Its totient is φ = 61053142.

The previous prime is 61053127. The next prime is 61053169. The reversal of 61053143 is 34135016.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61053143 - 2⁴ = 61053127 is a prime.

It is a zygodrome in base 5.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61053173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30526571 + 30526572.

It is an arithmetic number, because the mean of its divisors is an integer number (30526572).

Almost surely, 2^61053143 is an apocalyptic number.

61053143 is a deficient number, since it is larger than the sum of its proper divisors (1).

61053143 is an equidigital number, since it uses as much as digits as its factorization.

61053143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 61053143 is about 7813.6510672028. The cubic root of 61053143 is about 393.7640005772.

Adding to 61053143 its reverse (34135016), we get a palindrome (95188159).

The spelling of 61053143 in words is "sixty-one million, fifty-three thousand, one hundred forty-three".