71464531 has 2 divisors, whose sum is σ = 71464532. Its totient is φ = 71464530.

The previous prime is 71464499. The next prime is 71464537. The reversal of 71464531 is 13546417.

It is a strong prime.

It is an emirp because it is prime and its reverse (13546417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71464531 - 2⁵ = 71464499 is a prime.

It is a super-2 number, since 2×71464531² = 10214358382099922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71464493 and 71464502.

It is not a weakly prime, because it can be changed into another prime (71464537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35732265 + 35732266.

It is an arithmetic number, because the mean of its divisors is an integer number (35732266).

Almost surely, 2^71464531 is an apocalyptic number.

71464531 is a deficient number, since it is larger than the sum of its proper divisors (1).

71464531 is an equidigital number, since it uses as much as digits as its factorization.

71464531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 71464531 is about 8453.6696765369. The cubic root of 71464531 is about 414.9828821507.

The spelling of 71464531 in words is "seventy-one million, four hundred sixty-four thousand, five hundred thirty-one".