71612053 has 2 divisors, whose sum is σ = 71612054. Its totient is φ = 71612052.

The previous prime is 71612033. The next prime is 71612059. The reversal of 71612053 is 35021617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71520849 + 91204 = 8457^2 + 302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71612053 is a prime.

It is a super-2 number, since 2×71612053² = 10256572269749618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71612059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35806026 + 35806027.

It is an arithmetic number, because the mean of its divisors is an integer number (35806027).

Almost surely, 2^71612053 is an apocalyptic number.

It is an amenable number.

71612053 is a deficient number, since it is larger than the sum of its proper divisors (1).

71612053 is an equidigital number, since it uses as much as digits as its factorization.

71612053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 71612053 is about 8462.3905015072. The cubic root of 71612053 is about 415.2682312971.

It can be divided in two parts, 716 and 12053, that added together give a square (12769 = 113²).

The spelling of 71612053 in words is "seventy-one million, six hundred twelve thousand, fifty-three".