1425545 has 8 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 1036720.

The previous prime is 1425539. The next prime is 1425547. The reversal of 1425545 is 5455241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1425545 - 2⁶ = 1425481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1425547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12905 + ... + 13014.

It is an arithmetic number, because the mean of its divisors is an integer number (233280).

2^1425545 is an apocalyptic number.

It is an amenable number.

1425545 is a deficient number, since it is larger than the sum of its proper divisors (440695).

1425545 is a wasteful number, since it uses less digits than its factorization.

1425545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25935.

The product of its digits is 4000, while the sum is 26.

The square root of 1425545 is about 1193.9618921892. The cubic root of 1425545 is about 112.5451999443.

The spelling of 1425545 in words is "one million, four hundred twenty-five thousand, five hundred forty-five".