1425544 has 16 divisors (see below), whose sum is σ = 2710620. Its totient is φ = 702720.

The previous prime is 1425539. The next prime is 1425547. The reversal of 1425544 is 4455241.

1425544 = T₁₆₀ + T₁₆₁ + ... + T₂₃₂.

It is a happy number.

1425544 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 2 ways, for example, as 1368900 + 56644 = 1170^2 + 238^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637 + ... + 1804.

2^1425544 is an apocalyptic number.

It is an amenable number.

1425544 is a deficient number, since it is larger than the sum of its proper divisors (1285076).

1425544 is a wasteful number, since it uses less digits than its factorization.

1425544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520 (or 2516 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 1425544 is about 1193.9614734153. The cubic root of 1425544 is about 112.5451736279.

The spelling of 1425544 in words is "one million, four hundred twenty-five thousand, five hundred forty-four".