1350725 has 12 divisors (see below), whose sum is σ = 1695204. Its totient is φ = 1067520.

The previous prime is 1350709. The next prime is 1350731. The reversal of 1350725 is 5270531.

1350725 = 670² + 671² + 672².

It can be written as a sum of positive squares in 6 ways, for example, as 214369 + 1136356 = 463^2 + 1066^2 .

It is not a de Polignac number, because 1350725 - 2⁴ = 1350709 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 1350725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2147 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (141267).

2^1350725 is an apocalyptic number.

It is an amenable number.

1350725 is a deficient number, since it is larger than the sum of its proper divisors (344479).

1350725 is an equidigital number, since it uses as much as digits as its factorization.

1350725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 1350725 is about 1162.2069523110. The cubic root of 1350725 is about 110.5407260322.

The spelling of 1350725 in words is "one million, three hundred fifty thousand, seven hundred twenty-five".