7250605 has 8 divisors (see below), whose sum is σ = 8734464. Its totient is φ = 5778000.

The previous prime is 7250599. The next prime is 7250629. The reversal of 7250605 is 5060527.

7250605 = 847² + 848² + ... + 856².

It is a happy number.

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

It is not a de Polignac number, because 7250605 - 2¹⁷ = 7119533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7250605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321 + ... + 4030.

It is an arithmetic number, because the mean of its divisors is an integer number (1091808).

Almost surely, 2^7250605 is an apocalyptic number.

It is an amenable number.

7250605 is a deficient number, since it is larger than the sum of its proper divisors (1483859).

7250605 is a wasteful number, since it uses less digits than its factorization.

7250605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627.

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

The square root of 7250605 is about 2692.6947469032. The cubic root of 7250605 is about 193.5492155147.

The spelling of 7250605 in words is "seven million, two hundred fifty thousand, six hundred five".