1252425 has 12 divisors (see below), whose sum is σ = 2070800. Its totient is φ = 667920.

The previous prime is 1252421. The next prime is 1252429. The reversal of 1252425 is 5242521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1252421) and next prime (1252429).

It is not a de Polignac number, because 1252425 - 2² = 1252421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8275 + ... + 8424.

2^1252425 is an apocalyptic number.

1252425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252425 is a deficient number, since it is larger than the sum of its proper divisors (818375).

1252425 is a wasteful number, since it uses less digits than its factorization.

1252425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16712 (or 16707 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 1252425 is about 1119.1179562495. The cubic root of 1252425 is about 107.7913495582.

Adding to 1252425 its reverse (5242521), we get a palindrome (6494946).

The spelling of 1252425 in words is "one million, two hundred fifty-two thousand, four hundred twenty-five".