71415051 has 4 divisors (see below), whose sum is σ = 95220072. Its totient is φ = 47610032.

The previous prime is 71415037. The next prime is 71415059. The reversal of 71415051 is 15051417.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71415051 - 2¹¹ = 71413003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71415059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11902506 + ... + 11902511.

It is an arithmetic number, because the mean of its divisors is an integer number (23805018).

Almost surely, 2^71415051 is an apocalyptic number.

71415051 is a deficient number, since it is larger than the sum of its proper divisors (23805021).

71415051 is a wasteful number, since it uses less digits than its factorization.

71415051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23805020.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 71415051 is about 8450.7426300888. The cubic root of 71415051 is about 414.8870859403.

Adding to 71415051 its reverse (15051417), we get a palindrome (86466468).

The spelling of 71415051 in words is "seventy-one million, four hundred fifteen thousand, fifty-one".