71501053 has 8 divisors (see below), whose sum is σ = 78640128. Its totient is φ = 64596144.

The previous prime is 71501051. The next prime is 71501063. The reversal of 71501053 is 35010517.

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 71501053 - 2¹ = 71501051 is a prime.

It is a super-2 number, since 2×71501053² = 10224801160217618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71501051) 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, 57901 + ... + 59122.

It is an arithmetic number, because the mean of its divisors is an integer number (9830016).

Almost surely, 2^71501053 is an apocalyptic number.

It is an amenable number.

71501053 is a deficient number, since it is larger than the sum of its proper divisors (7139075).

71501053 is a wasteful number, since it uses less digits than its factorization.

71501053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117083.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 71501053 is about 8455.8295276099. The cubic root of 71501053 is about 415.0535625451.

The spelling of 71501053 in words is "seventy-one million, five hundred one thousand, fifty-three".