7253457 has 8 divisors (see below), whose sum is σ = 9684384. Its totient is φ = 4829088.

The previous prime is 7253447. The next prime is 7253461. The reversal of 7253457 is 7543527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7253457 - 2⁷ = 7253329 is a prime.

It is a super-2 number, since 2×7253457² = 105225276901698, which contains 22 as substring.

7253457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7253447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293 + ... + 4445.

It is an arithmetic number, because the mean of its divisors is an integer number (1210548).

Almost surely, 2^7253457 is an apocalyptic number.

It is an amenable number.

7253457 is a deficient number, since it is larger than the sum of its proper divisors (2430927).

7253457 is a wasteful number, since it uses less digits than its factorization.

7253457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279.

The product of its digits is 29400, while the sum is 33.

The square root of 7253457 is about 2693.2242758448. The cubic root of 7253457 is about 193.5745894893.

The spelling of 7253457 in words is "seven million, two hundred fifty-three thousand, four hundred fifty-seven".