1351025 has 12 divisors (see below), whose sum is σ = 1804572. Its totient is φ = 997440.

The previous prime is 1351019. The next prime is 1351027. The reversal of 1351025 is 5201531.

It can be written as a sum of positive squares in 6 ways, for example, as 167281 + 1183744 = 409^2 + 1088^2 .

It is not a de Polignac number, because 1351025 - 2⁶ = 1350961 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1350994 and 1351012.

It is not an unprimeable number, because it can be changed into a prime (1351027) 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 11 ways as a sum of consecutive naturals, for example, 1754 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (150381).

2^1351025 is an apocalyptic number.

It is an amenable number.

1351025 is a deficient number, since it is larger than the sum of its proper divisors (453547).

1351025 is a wasteful number, since it uses less digits than its factorization.

1351025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180 (or 4175 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1351025 is about 1162.3360099386. The cubic root of 1351025 is about 110.5489092333.

Adding to 1351025 its reverse (5201531), we get a palindrome (6552556).

The spelling of 1351025 in words is "one million, three hundred fifty-one thousand, twenty-five".