1425403541 has 16 divisors (see below), whose sum is σ = 1575344640. Its totient is φ = 1283681520.

The previous prime is 1425403523. The next prime is 1425403543. The reversal of 1425403541 is 1453045241.

It is a de Polignac number, because none of the positive numbers 2^k-1425403541 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425403543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61226 + ... + 81236.

It is an arithmetic number, because the mean of its divisors is an integer number (98459040).

Almost surely, 2^1425403541 is an apocalyptic number.

It is an amenable number.

1425403541 is a deficient number, since it is larger than the sum of its proper divisors (149941099).

1425403541 is a wasteful number, since it uses less digits than its factorization.

1425403541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20216.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1425403541 is about 37754.5168291160. The cubic root of 1425403541 is about 1125.4147714395.

Adding to 1425403541 its reverse (1453045241), we get a palindrome (2878448782).

The spelling of 1425403541 in words is "one billion, four hundred twenty-five million, four hundred three thousand, five hundred forty-one".