1425381 has 8 divisors (see below), whose sum is σ = 1932960. Its totient is φ = 934032.

The previous prime is 1425371. The next prime is 1425427. The reversal of 1425381 is 1835241.

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

It is not a de Polignac number, because 1425381 - 2⁷ = 1425253 is a prime.

It is a super-2 number, since 2×1425381² = 4063421990322, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425301) 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, 3850 + ... + 4203.

It is an arithmetic number, because the mean of its divisors is an integer number (241620).

2^1425381 is an apocalyptic number.

It is an amenable number.

1425381 is a deficient number, since it is larger than the sum of its proper divisors (507579).

1425381 is an equidigital number, since it uses as much as digits as its factorization.

1425381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8115.

The product of its digits is 960, while the sum is 24.

The square root of 1425381 is about 1193.8932113049. The cubic root of 1425381 is about 112.5408839059.

The spelling of 1425381 in words is "one million, four hundred twenty-five thousand, three hundred eighty-one".