7253450 has 12 divisors (see below), whose sum is σ = 13491510. Its totient is φ = 2901360.

The previous prime is 7253447. The next prime is 7253461. The reversal of 7253450 is 543527.

It can be written as a sum of positive squares in 3 ways, for example, as 5508409 + 1745041 = 2347^2 + 1321^2 .

It is a super-2 number, since 2×7253450² = 105225073805000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72485 + ... + 72584.

Almost surely, 2^7253450 is an apocalyptic number.

7253450 is a deficient number, since it is larger than the sum of its proper divisors (6238060).

7253450 is a wasteful number, since it uses less digits than its factorization.

7253450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145081 (or 145076 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 7253450 is about 2693.2229762870. Note that the first 3 decimals coincide. The cubic root of 7253450 is about 193.5745272191.

Adding to 7253450 its reverse (543527), we get a palindrome (7796977).

The spelling of 7253450 in words is "seven million, two hundred fifty-three thousand, four hundred fifty".