61302653 has 2 divisors, whose sum is σ = 61302654. Its totient is φ = 61302652.

The previous prime is 61302641. The next prime is 61302707. The reversal of 61302653 is 35620316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40170244 + 21132409 = 6338^2 + 4597^2 .

It is a cyclic number.

It is not a de Polignac number, because 61302653 - 2¹⁰ = 61301629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61302953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30651326 + 30651327.

It is an arithmetic number, because the mean of its divisors is an integer number (30651327).

Almost surely, 2^61302653 is an apocalyptic number.

It is an amenable number.

61302653 is a deficient number, since it is larger than the sum of its proper divisors (1).

61302653 is an equidigital number, since it uses as much as digits as its factorization.

61302653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 61302653 is about 7829.6010754061. The cubic root of 61302653 is about 394.2996788132.

Adding to 61302653 its reverse (35620316), we get a palindrome (96922969).

The spelling of 61302653 in words is "sixty-one million, three hundred two thousand, six hundred fifty-three".