7254989 has 6 divisors (see below), whose sum is σ = 8439534. Its totient is φ = 6218520.

The previous prime is 7254983. The next prime is 7255007. The reversal of 7254989 is 9894527.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5175625 + 2079364 = 2275^2 + 1442^2 .

It is not a de Polignac number, because 7254989 - 2²⁰ = 6206413 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7254983) 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, 73982 + ... + 74079.

It is an arithmetic number, because the mean of its divisors is an integer number (1406589).

Almost surely, 2^7254989 is an apocalyptic number.

It is an amenable number.

7254989 is a deficient number, since it is larger than the sum of its proper divisors (1184545).

7254989 is a wasteful number, since it uses less digits than its factorization.

7254989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148075 (or 148068 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 7254989 is about 2693.5086782856. The cubic root of 7254989 is about 193.5882168027.

The spelling of 7254989 in words is "seven million, two hundred fifty-four thousand, nine hundred eighty-nine".