7157097 has 6 divisors (see below), whose sum is σ = 10338042. Its totient is φ = 4771392.

The previous prime is 7157093. The next prime is 7157099. The reversal of 7157097 is 7907517.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 76176 = 2661^2 + 276^2 .

It is not a de Polignac number, because 7157097 - 2² = 7157093 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7157093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 397608 + ... + 397625.

It is an arithmetic number, because the mean of its divisors is an integer number (1723007).

Almost surely, 2^7157097 is an apocalyptic number.

It is an amenable number.

7157097 is a deficient number, since it is larger than the sum of its proper divisors (3180945).

7157097 is a wasteful number, since it uses less digits than its factorization.

7157097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795239 (or 795236 counting only the distinct ones).

The product of its (nonzero) digits is 15435, while the sum is 36.

The square root of 7157097 is about 2675.2751260384. The cubic root of 7157097 is about 192.7135719235.

It can be divided in two parts, 715709 and 7, that added together give a square (715716 = 846²).

The spelling of 7157097 in words is "seven million, one hundred fifty-seven thousand, ninety-seven".