71152953 has 4 divisors (see below), whose sum is σ = 94870608. Its totient is φ = 47435300.

The previous prime is 71152951. The next prime is 71152957. The reversal of 71152953 is 35925117.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71152953 - 2¹ = 71152951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71152951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11858823 + ... + 11858828.

It is an arithmetic number, because the mean of its divisors is an integer number (23717652).

Almost surely, 2^71152953 is an apocalyptic number.

It is an amenable number.

71152953 is a deficient number, since it is larger than the sum of its proper divisors (23717655).

71152953 is a wasteful number, since it uses less digits than its factorization.

71152953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23717654.

The product of its digits is 9450, while the sum is 33.

The square root of 71152953 is about 8435.2209811006. The cubic root of 71152953 is about 414.3789093266.

The spelling of 71152953 in words is "seventy-one million, one hundred fifty-two thousand, nine hundred fifty-three".