7521363 has 16 divisors (see below), whose sum is σ = 11381760. Its totient is φ = 4906728.

The previous prime is 7521347. The next prime is 7521373. The reversal of 7521363 is 3631257.

It is a happy number.

It is not a de Polignac number, because 7521363 - 2⁴ = 7521347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

7521363 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7521343) 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, 1695 + ... + 4232.

It is an arithmetic number, because the mean of its divisors is an integer number (711360).

Almost surely, 2^7521363 is an apocalyptic number.

7521363 is a deficient number, since it is larger than the sum of its proper divisors (3860397).

7521363 is a wasteful number, since it uses less digits than its factorization.

7521363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983 (or 5977 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 7521363 is about 2742.5103463798. The cubic root of 7521363 is about 195.9290576935.

The spelling of 7521363 in words is "seven million, five hundred twenty-one thousand, three hundred sixty-three".