1425523652 has 24 divisors (see below), whose sum is σ = 2949360960. Its totient is φ = 589871520.

The previous prime is 1425523651. The next prime is 1425523703. The reversal of 1425523652 is 2563255241.

It is a super-2 number, since 2×1425523652² = 4064235364822834208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1425523651) 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, 876974 + ... + 878597.

It is an arithmetic number, because the mean of its divisors is an integer number (122890040).

Almost surely, 2^1425523652 is an apocalyptic number.

It is an amenable number.

1425523652 is an abundant number, since it is smaller than the sum of its proper divisors (1523837308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425523652 is a wasteful number, since it uses less digits than its factorization.

1425523652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755611 (or 1755609 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 1425523652 is about 37756.1074794529. The cubic root of 1425523652 is about 1125.4463814112.

Adding to 1425523652 its reverse (2563255241), we get a palindrome (3988778893).

The spelling of 1425523652 in words is "one billion, four hundred twenty-five million, five hundred twenty-three thousand, six hundred fifty-two".