1438501 has 2 divisors, whose sum is σ = 1438502. Its totient is φ = 1438500.

The previous prime is 1438483. The next prime is 1438517. The reversal of 1438501 is 1058341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1437601 + 900 = 1199^2 + 30^2 .

It is an emirp because it is prime and its reverse (1058341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1438501 - 2¹⁹ = 914213 is a prime.

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

It is equal to p₁₀₉₈₂₂ and since 1438501 and 109822 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1438001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719250 + 719251.

It is an arithmetic number, because the mean of its divisors is an integer number (719251).

2^1438501 is an apocalyptic number.

It is an amenable number.

1438501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438501 is an equidigital number, since it uses as much as digits as its factorization.

1438501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1438501 is about 1199.3752540385. The cubic root of 1438501 is about 112.8851261668.

The spelling of 1438501 in words is "one million, four hundred thirty-eight thousand, five hundred one".