1250525 has 6 divisors (see below), whose sum is σ = 1550682. Its totient is φ = 1000400.

The previous prime is 1250521. The next prime is 1250527. The reversal of 1250525 is 5250521.

It can be written as a sum of positive squares in 3 ways, for example, as 145924 + 1104601 = 382^2 + 1051^2 .

It is not a de Polignac number, because 1250525 - 2² = 1250521 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1250497 and 1250506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250521) 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 5 ways as a sum of consecutive naturals, for example, 24986 + ... + 25035.

It is an arithmetic number, because the mean of its divisors is an integer number (258447).

2^1250525 is an apocalyptic number.

It is an amenable number.

1250525 is a deficient number, since it is larger than the sum of its proper divisors (300157).

1250525 is an equidigital number, since it uses as much as digits as its factorization.

1250525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50031 (or 50026 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1250525 is about 1118.2687512401. The cubic root of 1250525 is about 107.7368134336.

The spelling of 1250525 in words is "one million, two hundred fifty thousand, five hundred twenty-five".