71425151 has 8 divisors (see below), whose sum is σ = 81680544. Its totient is φ = 61182720.

The previous prime is 71425103. The next prime is 71425163. The reversal of 71425151 is 15152417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71425151 - 2¹⁸ = 71163007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71425151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71425951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17111 + ... + 20871.

It is an arithmetic number, because the mean of its divisors is an integer number (10210068).

Almost surely, 2^71425151 is an apocalyptic number.

71425151 is a deficient number, since it is larger than the sum of its proper divisors (10255393).

71425151 is a wasteful number, since it uses less digits than its factorization.

71425151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481.

The product of its digits is 1400, while the sum is 26.

The square root of 71425151 is about 8451.3401895794. The cubic root of 71425151 is about 414.9066437318.

Adding to 71425151 its reverse (15152417), we get a palindrome (86577568).

The spelling of 71425151 in words is "seventy-one million, four hundred twenty-five thousand, one hundred fifty-one".