1438525 has 12 divisors (see below), whose sum is σ = 1946304. Its totient is φ = 1046000.

The previous prime is 1438517. The next prime is 1438537. The reversal of 1438525 is 5258341.

It is not a de Polignac number, because 1438525 - 2³ = 1438517 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 = 1438493 and 1438502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2341 + ... + 2890.

It is an arithmetic number, because the mean of its divisors is an integer number (162192).

2^1438525 is an apocalyptic number.

It is an amenable number.

1438525 is a deficient number, since it is larger than the sum of its proper divisors (507779).

1438525 is a wasteful number, since it uses less digits than its factorization.

1438525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252 (or 5247 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1438525 is about 1199.3852592057. The cubic root of 1438525 is about 112.8857539564.

It can be divided in two parts, 143 and 8525, that added together give a palindrome (8668).

The spelling of 1438525 in words is "one million, four hundred thirty-eight thousand, five hundred twenty-five".