61040653 has 2 divisors, whose sum is σ = 61040654. Its totient is φ = 61040652.

The previous prime is 61040627. The next prime is 61040657. The reversal of 61040653 is 35604016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44049769 + 16990884 = 6637^2 + 4122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61040653 is a prime.

It is a super-2 number, since 2×61040653² = 7451922637332818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61040657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30520326 + 30520327.

It is an arithmetic number, because the mean of its divisors is an integer number (30520327).

Almost surely, 2^61040653 is an apocalyptic number.

It is an amenable number.

61040653 is a deficient number, since it is larger than the sum of its proper divisors (1).

61040653 is an equidigital number, since it uses as much as digits as its factorization.

61040653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 61040653 is about 7812.8517840799. The cubic root of 61040653 is about 393.7371472079.

Adding to 61040653 its reverse (35604016), we get a palindrome (96644669).

The spelling of 61040653 in words is "sixty-one million, forty thousand, six hundred fifty-three".