1051425 has 18 divisors (see below), whose sum is σ = 1883622. Its totient is φ = 560640.

The previous prime is 1051423. The next prime is 1051459. The reversal of 1051425 is 5241501.

It can be written as a sum of positive squares in 3 ways, for example, as 278784 + 772641 = 528^2 + 879^2 .

It is not a de Polignac number, because 1051425 - 2¹ = 1051423 is a prime.

It is a super-2 number, since 2×1051425² = 2210989061250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1051398 and 1051407.

It is not an unprimeable number, because it can be changed into a prime (1051423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2112 + ... + 2561.

2^1051425 is an apocalyptic number.

1051425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051425 is a deficient number, since it is larger than the sum of its proper divisors (832197).

1051425 is a wasteful number, since it uses less digits than its factorization.

1051425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689 (or 4681 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1051425 is about 1025.3901696428. The cubic root of 1051425 is about 101.6855947319.

Adding to 1051425 its reverse (5241501), we get a palindrome (6292926).

The spelling of 1051425 in words is "one million, fifty-one thousand, four hundred twenty-five".