61203053 has 2 divisors, whose sum is σ = 61203054. Its totient is φ = 61203052.

The previous prime is 61203041. The next prime is 61203067. The reversal of 61203053 is 35030216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58094884 + 3108169 = 7622^2 + 1763^2 .

It is a cyclic number.

It is not a de Polignac number, because 61203053 - 2⁶ = 61202989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61203013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30601526 + 30601527.

It is an arithmetic number, because the mean of its divisors is an integer number (30601527).

Almost surely, 2^61203053 is an apocalyptic number.

It is an amenable number.

61203053 is a deficient number, since it is larger than the sum of its proper divisors (1).

61203053 is an equidigital number, since it uses as much as digits as its factorization.

61203053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 61203053 is about 7823.2380124856. The cubic root of 61203053 is about 394.0860201096.

Adding to 61203053 its reverse (35030216), we get a palindrome (96233269).

The spelling of 61203053 in words is "sixty-one million, two hundred three thousand, fifty-three".