7265551 has 4 divisors (see below), whose sum is σ = 7357600. Its totient is φ = 7173504.

The previous prime is 7265549. The next prime is 7265593. The reversal of 7265551 is 1555627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1555627 = 269 ⋅5783.

It is a cyclic number.

It is not a de Polignac number, because 7265551 - 2¹ = 7265549 is a prime.

It is a Duffinian number.

7265551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7260551) 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, 45906 + ... + 46063.

It is an arithmetic number, because the mean of its divisors is an integer number (1839400).

Almost surely, 2^7265551 is an apocalyptic number.

7265551 is a deficient number, since it is larger than the sum of its proper divisors (92049).

7265551 is an equidigital number, since it uses as much as digits as its factorization.

7265551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92048.

The product of its digits is 10500, while the sum is 31.

The square root of 7265551 is about 2695.4686048997. The cubic root of 7265551 is about 193.6821148231.

The spelling of 7265551 in words is "seven million, two hundred sixty-five thousand, five hundred fifty-one".