71277053 has 2 divisors, whose sum is σ = 71277054. Its totient is φ = 71277052.

The previous prime is 71277049. The next prime is 71277061. The reversal of 71277053 is 35077217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43850884 + 27426169 = 6622^2 + 5237^2 .

It is a cyclic number.

It is not a de Polignac number, because 71277053 - 2² = 71277049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71207053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35638526 + 35638527.

It is an arithmetic number, because the mean of its divisors is an integer number (35638527).

Almost surely, 2^71277053 is an apocalyptic number.

It is an amenable number.

71277053 is a deficient number, since it is larger than the sum of its proper divisors (1).

71277053 is an equidigital number, since it uses as much as digits as its factorization.

71277053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 71277053 is about 8442.5738374029. The cubic root of 71277053 is about 414.6196796318.

The spelling of 71277053 in words is "seventy-one million, two hundred seventy-seven thousand, fifty-three".