71288151 has 8 divisors (see below), whose sum is σ = 103691904. Its totient is φ = 43204920.

The previous prime is 71288149. The next prime is 71288153. The reversal of 71288151 is 15188217.

It is an interprime number because it is at equal distance from previous prime (71288149) and next prime (71288153).

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

It is not a de Polignac number, because 71288151 - 2¹ = 71288149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2160247 = 71288151 / (7 + 1 + 2 + 8 + 8 + 1 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71288153) 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, 1080091 + ... + 1080156.

It is an arithmetic number, because the mean of its divisors is an integer number (12961488).

Almost surely, 2^71288151 is an apocalyptic number.

71288151 is a deficient number, since it is larger than the sum of its proper divisors (32403753).

71288151 is a wasteful number, since it uses less digits than its factorization.

71288151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160261.

The product of its digits is 4480, while the sum is 33.

The square root of 71288151 is about 8443.2310758382. The cubic root of 71288151 is about 414.6411975922.

The spelling of 71288151 in words is "seventy-one million, two hundred eighty-eight thousand, one hundred fifty-one".