1425531530 has 16 divisors (see below), whose sum is σ = 2604255840. Its totient is φ = 561701712.

The previous prime is 1425531529. The next prime is 1425531533. The reversal of 1425531530 is 351355241.

It is a junction number, because it is equal to n+sod(n) for n = 1425531493 and 1425531502.

It is not an unprimeable number, because it can be changed into a prime (1425531533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063160 + ... + 1064499.

It is an arithmetic number, because the mean of its divisors is an integer number (162765990).

Almost surely, 2^1425531530 is an apocalyptic number.

1425531530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1425531530 is a deficient number, since it is larger than the sum of its proper divisors (1178724310).

1425531530 is a wasteful number, since it uses less digits than its factorization.

1425531530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127733.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1425531530 is about 37756.2118068007. The cubic root of 1425531530 is about 1125.4484546261.

Adding to 1425531530 its reverse (351355241), we get a palindrome (1776886771).

The spelling of 1425531530 in words is "one billion, four hundred twenty-five million, five hundred thirty-one thousand, five hundred thirty".