7253417889 has 15 divisors (see below), whose sum is σ = 10836497793. Its totient is φ = 4835100924.

The previous prime is 7253417887. The next prime is 7253417909. The reversal of 7253417889 is 9887143527.

It is a happy number.

The square root of 7253417889 is 85167.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 7253417889 - 2¹ = 7253417887 is a prime.

It is a super-2 number, since 2×7253417889² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7253417881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 761772 + ... + 771234.

Almost surely, 2^7253417889 is an apocalyptic number.

7253417889 is the 85167-th square number.

7253417889 is the 42584-th centered octagonal number.

It is an amenable number.

7253417889 is a deficient number, since it is larger than the sum of its proper divisors (3583079904).

7253417889 is an frugal number, since it uses more digits than its factorization.

7253417889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18938 (or 9466 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The cubic root of 7253417889 is about 1935.7424156744.

The spelling of 7253417889 in words is "seven billion, two hundred fifty-three million, four hundred seventeen thousand, eight hundred eighty-nine".