61270453 has 2 divisors, whose sum is σ = 61270454. Its totient is φ = 61270452.

The previous prime is 61270427. The next prime is 61270457. The reversal of 61270453 is 35407216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55920484 + 5349969 = 7478^2 + 2313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61270453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61270457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30635226 + 30635227.

It is an arithmetic number, because the mean of its divisors is an integer number (30635227).

Almost surely, 2^61270453 is an apocalyptic number.

It is an amenable number.

61270453 is a deficient number, since it is larger than the sum of its proper divisors (1).

61270453 is an equidigital number, since it uses as much as digits as its factorization.

61270453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 61270453 is about 7827.5445064209. The cubic root of 61270453 is about 394.2306297445.

Adding to 61270453 its reverse (35407216), we get a palindrome (96677669).

The spelling of 61270453 in words is "sixty-one million, two hundred seventy thousand, four hundred fifty-three".