1425601 has 2 divisors, whose sum is σ = 1425602. Its totient is φ = 1425600.

The previous prime is 1425583. The next prime is 1425607. The reversal of 1425601 is 1065241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 226576 = 1095^2 + 476^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425601 - 2¹¹ = 1423553 is a prime.

It is a super-2 number, since 2×1425601² = 4064676422402, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1425607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712800 + 712801.

It is an arithmetic number, because the mean of its divisors is an integer number (712801).

2^1425601 is an apocalyptic number.

It is an amenable number.

1425601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425601 is an equidigital number, since it uses as much as digits as its factorization.

1425601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1425601 is about 1193.9853432936. The cubic root of 1425601 is about 112.5466736376.

The spelling of 1425601 in words is "one million, four hundred twenty-five thousand, six hundred one".