7253001018 has 12 divisors (see below), whose sum is σ = 15714835578. Its totient is φ = 2417667000.

The previous prime is 7253001017. The next prime is 7253001031. The reversal of 7253001018 is 8101003527.

It can be written as a sum of positive squares in only one way, i.e., 6401120049 + 851880969 = 80007^2 + 29187^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7253000982 and 7253001000.

It is not an unprimeable number, because it can be changed into a prime (7253001011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201472233 + ... + 201472268.

Almost surely, 2^7253001018 is an apocalyptic number.

7253001018 is an abundant number, since it is smaller than the sum of its proper divisors (8461834560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7253001018 is a wasteful number, since it uses less digits than its factorization.

7253001018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402944509 (or 402944506 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 7253001018 is about 85164.5525908520. The cubic root of 7253001018 is about 1935.7053310728.

The spelling of 7253001018 in words is "seven billion, two hundred fifty-three million, one thousand, eighteen".