61270442053 has 2 divisors, whose sum is σ = 61270442054. Its totient is φ = 61270442052.

The previous prime is 61270441993. The next prime is 61270442059. The reversal of 61270442053 is 35024407216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61146409284 + 124032769 = 247278^2 + 11137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61270442053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61270442059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30635221026 + 30635221027.

It is an arithmetic number, because the mean of its divisors is an integer number (30635221027).

Almost surely, 2^61270442053 is an apocalyptic number.

It is an amenable number.

61270442053 is a deficient number, since it is larger than the sum of its proper divisors (1).

61270442053 is an equidigital number, since it uses as much as digits as its factorization.

61270442053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 61270442053 its reverse (35024407216), we get a palindrome (96294849269).

The spelling of 61270442053 in words is "sixty-one billion, two hundred seventy million, four hundred forty-two thousand, fifty-three".