7545161 has 8 divisors (see below), whose sum is σ = 8603784. Its totient is φ = 6554880.

The previous prime is 7545157. The next prime is 7545163. The reversal of 7545161 is 1615457.

It can be written as a sum of positive squares in 4 ways, for example, as 883600 + 6661561 = 940^2 + 2581^2 .

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 7545161 - 2² = 7545157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7545163) 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, 16850 + ... + 17291.

It is an arithmetic number, because the mean of its divisors is an integer number (1075473).

Almost surely, 2^7545161 is an apocalyptic number.

It is an amenable number.

7545161 is a deficient number, since it is larger than the sum of its proper divisors (1058623).

7545161 is a wasteful number, since it uses less digits than its factorization.

7545161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34171.

The product of its digits is 4200, while the sum is 29.

The square root of 7545161 is about 2746.8456454632. The cubic root of 7545161 is about 196.1354835165.

The spelling of 7545161 in words is "seven million, five hundred forty-five thousand, one hundred sixty-one".