7500053 has 4 divisors (see below), whose sum is σ = 8181888. Its totient is φ = 6818220.

The previous prime is 7500049. The next prime is 7500061. The reversal of 7500053 is 3500057.

7500053 is nontrivially palindromic in base 7.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7500053 - 2² = 7500049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7499998 and 7500034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7500013) 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 3 ways as a sum of consecutive naturals, for example, 340901 + ... + 340922.

It is an arithmetic number, because the mean of its divisors is an integer number (2045472).

Almost surely, 2^7500053 is an apocalyptic number.

It is an amenable number.

7500053 is a deficient number, since it is larger than the sum of its proper divisors (681835).

7500053 is a wasteful number, since it uses less digits than its factorization.

7500053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681834.

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 7500053 is about 2738.6224639406. The cubic root of 7500053 is about 195.7438431418.

The spelling of 7500053 in words is "seven million, five hundred thousand, fifty-three".