7530145753 has 4 divisors (see below), whose sum is σ = 8109387748. Its totient is φ = 6950903760.

The previous prime is 7530145747. The next prime is 7530145757. The reversal of 7530145753 is 3575410357.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3575410357 = 3373 ⋅1060009.

It can be written as a sum of positive squares in 2 ways, for example, as 4658472009 + 2871673744 = 68253^2 + 53588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7530145753 is a prime.

It is a super-2 number, since 2×7530145753² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7530145757) 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, 289620978 + ... + 289621003.

It is an arithmetic number, because the mean of its divisors is an integer number (2027346937).

Almost surely, 2^7530145753 is an apocalyptic number.

It is an amenable number.

7530145753 is a deficient number, since it is larger than the sum of its proper divisors (579241995).

7530145753 is a wasteful number, since it uses less digits than its factorization.

7530145753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579241994.

The product of its (nonzero) digits is 220500, while the sum is 40.

The square root of 7530145753 is about 86776.4124229620. The cubic root of 7530145753 is about 1960.0529064748.

The spelling of 7530145753 in words is "seven billion, five hundred thirty million, one hundred forty-five thousand, seven hundred fifty-three".