1425469 has 2 divisors, whose sum is σ = 1425470. Its totient is φ = 1425468.

The previous prime is 1425451. The next prime is 1425481. The reversal of 1425469 is 9645241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1352569 + 72900 = 1163^2 + 270^2 .

It is an emirp because it is prime and its reverse (9645241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1425469 - 2¹⁵ = 1392701 is a prime.

It is a super-2 number, since 2×1425469² = 4063923739922, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712734 + 712735.

It is an arithmetic number, because the mean of its divisors is an integer number (712735).

2^1425469 is an apocalyptic number.

It is an amenable number.

1425469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425469 is an equidigital number, since it uses as much as digits as its factorization.

1425469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 1425469 is about 1193.9300649536. The cubic root of 1425469 is about 112.5431998701.

The spelling of 1425469 in words is "one million, four hundred twenty-five thousand, four hundred sixty-nine".