7315045 has 4 divisors (see below), whose sum is σ = 8778060. Its totient is φ = 5852032.

The previous prime is 7315027. The next prime is 7315067. The reversal of 7315045 is 5405137.

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 2879809 + 4435236 = 1697^2 + 2106^2 .

It is a cyclic number.

It is not a de Polignac number, because 7315045 - 2⁵ = 7315013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731500 + ... + 731509.

It is an arithmetic number, because the mean of its divisors is an integer number (2194515).

Almost surely, 2^7315045 is an apocalyptic number.

It is an amenable number.

7315045 is a deficient number, since it is larger than the sum of its proper divisors (1463015).

7315045 is a wasteful number, since it uses less digits than its factorization.

7315045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463014.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 7315045 is about 2704.6339863279. The cubic root of 7315045 is about 194.1209169312.

It can be divided in two parts, 731 and 5045, that added together give a square (5776 = 76²).

The spelling of 7315045 in words is "seven million, three hundred fifteen thousand, forty-five".