1254425 has 6 divisors (see below), whose sum is σ = 1555518. Its totient is φ = 1003520.

The previous prime is 1254377. The next prime is 1254427. The reversal of 1254425 is 5244521.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 446224 + 808201 = 668^2 + 899^2 .

It is not a de Polignac number, because 1254425 - 2¹⁰ = 1253401 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 1254425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25064 + ... + 25113.

It is an arithmetic number, because the mean of its divisors is an integer number (259253).

2^1254425 is an apocalyptic number.

It is an amenable number.

1254425 is a deficient number, since it is larger than the sum of its proper divisors (301093).

1254425 is an equidigital number, since it uses as much as digits as its factorization.

1254425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50187 (or 50182 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 1254425 is about 1120.0111606587. The cubic root of 1254425 is about 107.8486964509.

Adding to 1254425 its reverse (5244521), we get a palindrome (6498946).

It can be divided in two parts, 12544 and 25, that multiplied together give a square (313600 = 560²).

The spelling of 1254425 in words is "one million, two hundred fifty-four thousand, four hundred twenty-five".