7520465 has 4 divisors (see below), whose sum is σ = 9024564. Its totient is φ = 6016368.

The previous prime is 7520459. The next prime is 7520467. The reversal of 7520465 is 5640257.

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 3952144 + 3568321 = 1988^2 + 1889^2 .

It is a cyclic number.

It is not a de Polignac number, because 7520465 - 2⁸ = 7520209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7520467) 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, 752042 + ... + 752051.

It is an arithmetic number, because the mean of its divisors is an integer number (2256141).

Almost surely, 2^7520465 is an apocalyptic number.

It is an amenable number.

7520465 is a deficient number, since it is larger than the sum of its proper divisors (1504099).

7520465 is a wasteful number, since it uses less digits than its factorization.

7520465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504098.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 7520465 is about 2742.3466228761. The cubic root of 7520465 is about 195.9212598473.

The spelling of 7520465 in words is "seven million, five hundred twenty thousand, four hundred sixty-five".