71325051 has 32 divisors (see below), whose sum is σ = 111341568. Its totient is φ = 39774240.

The previous prime is 71325049. The next prime is 71325053. The reversal of 71325051 is 15052317.

It is an interprime number because it is at equal distance from previous prime (71325049) and next prime (71325053).

It is not a de Polignac number, because 71325051 - 2¹ = 71325049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71325053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229186 + ... + 229496.

It is an arithmetic number, because the mean of its divisors is an integer number (3479424).

Almost surely, 2^71325051 is an apocalyptic number.

71325051 is a deficient number, since it is larger than the sum of its proper divisors (40016517).

71325051 is a wasteful number, since it uses less digits than its factorization.

71325051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 71325051 is about 8445.4159755456. The cubic root of 71325051 is about 414.7127271093.

Adding to 71325051 its reverse (15052317), we get a palindrome (86377368).

The spelling of 71325051 in words is "seventy-one million, three hundred twenty-five thousand, fifty-one".