7265005 has 16 divisors (see below), whose sum is σ = 9819648. Its totient is φ = 5112000.

The previous prime is 7265003. The next prime is 7265017. The reversal of 7265005 is 5005627.

It is a happy number.

It is not a de Polignac number, because 7265005 - 2¹ = 7265003 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7265003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426 + ... + 3835.

It is an arithmetic number, because the mean of its divisors is an integer number (613728).

Almost surely, 2^7265005 is an apocalyptic number.

7265005 is the 1705-th heptagonal number.

It is an amenable number.

7265005 is a deficient number, since it is larger than the sum of its proper divisors (2554643).

7265005 is a wasteful number, since it uses less digits than its factorization.

7265005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 7265005 is about 2695.3673219062. The cubic root of 7265005 is about 193.6772630193.

The spelling of 7265005 in words is "seven million, two hundred sixty-five thousand, five".