71452523 has 2 divisors, whose sum is σ = 71452524. Its totient is φ = 71452522.

The previous prime is 71452519. The next prime is 71452529. The reversal of 71452523 is 32525417.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71452523 - 2² = 71452519 is a prime.

It is not a weakly prime, because it can be changed into another prime (71452529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35726261 + 35726262.

It is an arithmetic number, because the mean of its divisors is an integer number (35726262).

Almost surely, 2^71452523 is an apocalyptic number.

71452523 is a deficient number, since it is larger than the sum of its proper divisors (1).

71452523 is an equidigital number, since it uses as much as digits as its factorization.

71452523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 29.

The square root of 71452523 is about 8452.9594225928. The cubic root of 71452523 is about 414.9596380159.

The spelling of 71452523 in words is "seventy-one million, four hundred fifty-two thousand, five hundred twenty-three".