7280497 has 4 divisors (see below), whose sum is σ = 8320576. Its totient is φ = 6240420.

The previous prime is 7280491. The next prime is 7280503. The reversal of 7280497 is 7940827.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7940827 = 131 ⋅60617.

It is an interprime number because it is at equal distance from previous prime (7280491) and next prime (7280503).

It is a cyclic number.

It is not a de Polignac number, because 7280497 - 2¹⁹ = 6756209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7280491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520029 + ... + 520042.

It is an arithmetic number, because the mean of its divisors is an integer number (2080144).

Almost surely, 2^7280497 is an apocalyptic number.

It is an amenable number.

7280497 is a deficient number, since it is larger than the sum of its proper divisors (1040079).

7280497 is a wasteful number, since it uses less digits than its factorization.

7280497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040078.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 7280497 is about 2698.2396113022. The cubic root of 7280497 is about 193.8148319978.

It can be divided in two parts, 7280 and 497, that added together give a palindrome (7777).

The spelling of 7280497 in words is "seven million, two hundred eighty thousand, four hundred ninety-seven".