7975151 has 4 divisors (see below), whose sum is σ = 8015832. Its totient is φ = 7934472.

The previous prime is 7975147. The next prime is 7975169. The reversal of 7975151 is 1515797.

7975151 = 95² + 96² + ... + 291².

7975151 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1515797 = 47 ⋅32251.

It is a cyclic number.

It is not a de Polignac number, because 7975151 - 2² = 7975147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7975111) 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, 20045 + ... + 20438.

It is an arithmetic number, because the mean of its divisors is an integer number (2003958).

Almost surely, 2^7975151 is an apocalyptic number.

7975151 is a deficient number, since it is larger than the sum of its proper divisors (40681).

7975151 is a wasteful number, since it uses less digits than its factorization.

7975151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40680.

The product of its digits is 11025, while the sum is 35.

The square root of 7975151 is about 2824.0309842493. The cubic root of 7975151 is about 199.7927102290.

The spelling of 7975151 in words is "seven million, nine hundred seventy-five thousand, one hundred fifty-one".