71236051 has 2 divisors, whose sum is σ = 71236052. Its totient is φ = 71236050.

The previous prime is 71236049. The next prime is 71236127. The reversal of 71236051 is 15063217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71236051 - 2¹ = 71236049 is a prime.

Together with 71236049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (71233051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35618025 + 35618026.

It is an arithmetic number, because the mean of its divisors is an integer number (35618026).

Almost surely, 2^71236051 is an apocalyptic number.

71236051 is a deficient number, since it is larger than the sum of its proper divisors (1).

71236051 is an equidigital number, since it uses as much as digits as its factorization.

71236051 is an odious number, because the sum of its binary digits is odd.

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

The square root of 71236051 is about 8440.1452001728. The cubic root of 71236051 is about 414.5401613005.

Adding to 71236051 its reverse (15063217), we get a palindrome (86299268).

It can be divided in two parts, 712 and 36051, that added together give a palindrome (36763).

The spelling of 71236051 in words is "seventy-one million, two hundred thirty-six thousand, fifty-one".