7259161 has 16 divisors (see below), whose sum is σ = 8998528. Its totient is φ = 5702400.

The previous prime is 7259137. The next prime is 7259167. The reversal of 7259161 is 1619527.

7259161 = 39² + 40² + ... + 279².

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7259161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7259167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21766 + ... + 22096.

It is an arithmetic number, because the mean of its divisors is an integer number (562408).

It is a Poulet number, since it divides 2^7259160-1.

Almost surely, 2^7259161 is an apocalyptic number.

It is an amenable number.

7259161 is a deficient number, since it is larger than the sum of its proper divisors (1739367).

7259161 is a wasteful number, since it uses less digits than its factorization.

7259161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its digits is 3780, while the sum is 31.

The square root of 7259161 is about 2694.2830215105. The cubic root of 7259161 is about 193.6253174919.

The spelling of 7259161 in words is "seven million, two hundred fifty-nine thousand, one hundred sixty-one".