742525165 has 4 divisors (see below), whose sum is σ = 891030204. Its totient is φ = 594020128.

The previous prime is 742525163. The next prime is 742525183. The reversal of 742525165 is 561525247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 433222596 + 309302569 = 20814^2 + 17587^2 .

It is a cyclic number.

It is not a de Polignac number, because 742525165 - 2¹ = 742525163 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 (742525163) 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, 74252512 + ... + 74252521.

It is an arithmetic number, because the mean of its divisors is an integer number (222757551).

Almost surely, 2^742525165 is an apocalyptic number.

It is an amenable number.

742525165 is a deficient number, since it is larger than the sum of its proper divisors (148505039).

742525165 is a wasteful number, since it uses less digits than its factorization.

742525165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148505038.

The product of its digits is 84000, while the sum is 37.

The square root of 742525165 is about 27249.3149455174. The cubic root of 742525165 is about 905.5318404608.

The spelling of 742525165 in words is "seven hundred forty-two million, five hundred twenty-five thousand, one hundred sixty-five".