1425731403 has 8 divisors (see below), whose sum is σ = 1901150416. Its totient is φ = 950400000.

The previous prime is 1425731399. The next prime is 1425731423. The reversal of 1425731403 is 3041375241.

It is a happy number.

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

It is not a de Polignac number, because 1425731403 - 2² = 1425731399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425731423) 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, 47403 + ... + 71403.

It is an arithmetic number, because the mean of its divisors is an integer number (237643802).

Almost surely, 2^1425731403 is an apocalyptic number.

1425731403 is a deficient number, since it is larger than the sum of its proper divisors (475419013).

1425731403 is a wasteful number, since it uses less digits than its factorization.

1425731403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43805.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1425731403 is about 37758.8586029822. The cubic root of 1425731403 is about 1125.5010516730.

The spelling of 1425731403 in words is "one billion, four hundred twenty-five million, seven hundred thirty-one thousand, four hundred three".