1425169 has 2 divisors, whose sum is σ = 1425170. Its totient is φ = 1425168.

The previous prime is 1425139. The next prime is 1425187. The reversal of 1425169 is 9615241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1050625 + 374544 = 1025^2 + 612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425169 - 2¹³ = 1416977 is a prime.

It is a super-2 number, since 2×1425169² = 4062213357122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1425139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712584 + 712585.

It is an arithmetic number, because the mean of its divisors is an integer number (712585).

2^1425169 is an apocalyptic number.

It is an amenable number.

1425169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425169 is an equidigital number, since it uses as much as digits as its factorization.

1425169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 1425169 is about 1193.8044228432. The cubic root of 1425169 is about 112.5353041462.

The spelling of 1425169 in words is "one million, four hundred twenty-five thousand, one hundred sixty-nine".