7345125 has 24 divisors (see below), whose sum is σ = 13242840. Its totient is φ = 3916800.

The previous prime is 7345123. The next prime is 7345127. The reversal of 7345125 is 5215437.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7345123) and next prime (7345127).

It can be written as a sum of positive squares in 4 ways, for example, as 1425636 + 5919489 = 1194^2 + 2433^2 .

It is not a de Polignac number, because 7345125 - 2¹ = 7345123 is a prime.

It is a super-2 number, since 2×7345125² = 107901722531250, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 7⁸ + 3¹² + 4⁴ + 5² + 1 + 2²⁰ + 5² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7345123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2140 + ... + 4389.

It is an arithmetic number, because the mean of its divisors is an integer number (551785).

Almost surely, 2^7345125 is an apocalyptic number.

7345125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7345125 is a deficient number, since it is larger than the sum of its proper divisors (5897715).

7345125 is a wasteful number, since it uses less digits than its factorization.

7345125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550 (or 6537 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 7345125 is about 2710.1891077930. The cubic root of 7345125 is about 194.3866328511.

The spelling of 7345125 in words is "seven million, three hundred forty-five thousand, one hundred twenty-five".