1425541 has 8 divisors (see below), whose sum is σ = 1564920. Its totient is φ = 1290432.

The previous prime is 1425539. The next prime is 1425547. The reversal of 1425541 is 1455241.

It can be written as a sum of positive squares in 4 ways, for example, as 21316 + 1404225 = 146^2 + 1185^2 .

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

It is not a de Polignac number, because 1425541 - 2¹ = 1425539 is a prime.

It is a Duffinian number.

It is a congruent 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, 346 + ... + 1723.

It is an arithmetic number, because the mean of its divisors is an integer number (195615).

2^1425541 is an apocalyptic number.

It is an amenable number.

1425541 is a deficient number, since it is larger than the sum of its proper divisors (139379).

1425541 is a wasteful number, since it uses less digits than its factorization.

1425541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its digits is 800, while the sum is 22.

The square root of 1425541 is about 1193.9602170927. The cubic root of 1425541 is about 112.5450946790.

The spelling of 1425541 in words is "one million, four hundred twenty-five thousand, five hundred forty-one".