71425583 has 2 divisors, whose sum is σ = 71425584. Its totient is φ = 71425582.

The previous prime is 71425561. The next prime is 71425589. The reversal of 71425583 is 38552417.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (38552417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71425583 - 2¹⁰ = 71424559 is a prime.

It is a super-2 number, since 2×71425583² = 10203227813779778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71425589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35712791 + 35712792.

It is an arithmetic number, because the mean of its divisors is an integer number (35712792).

Almost surely, 2^71425583 is an apocalyptic number.

71425583 is a deficient number, since it is larger than the sum of its proper divisors (1).

71425583 is an equidigital number, since it uses as much as digits as its factorization.

71425583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 35.

The square root of 71425583 is about 8451.3657476174. The cubic root of 71425583 is about 414.9074802220.

The spelling of 71425583 in words is "seventy-one million, four hundred twenty-five thousand, five hundred eighty-three".