1497439 has 2 divisors, whose sum is σ = 1497440. Its totient is φ = 1497438.

The previous prime is 1497421. The next prime is 1497493. The reversal of 1497439 is 9347941.

Together with next prime (1497493) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (9347941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1497439 - 2⁵ = 1497407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1497398 and 1497407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1491439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748719 + 748720.

It is an arithmetic number, because the mean of its divisors is an integer number (748720).

2^1497439 is an apocalyptic number.

1497439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497439 is an equidigital number, since it uses as much as digits as its factorization.

1497439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 1497439 is about 1223.6989008739. The cubic root of 1497439 is about 114.4062401848.

It can be divided in two parts, 1497 and 439, that added together give a square (1936 = 44²).

The spelling of 1497439 in words is "one million, four hundred ninety-seven thousand, four hundred thirty-nine".