1425530524 has 72 divisors (see below), whose sum is σ = 2939487264. Its totient is φ = 602870400.

The previous prime is 1425530521. The next prime is 1425530627. The reversal of 1425530524 is 4250355241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425530521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410154 + ... + 413614.

It is an arithmetic number, because the mean of its divisors is an integer number (40826212).

Almost surely, 2^1425530524 is an apocalyptic number.

It is an amenable number.

1425530524 is an abundant number, since it is smaller than the sum of its proper divisors (1513956740).

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

1425530524 is a wasteful number, since it uses less digits than its factorization.

1425530524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547 (or 3534 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1425530524 is about 37756.1984844873. The cubic root of 1425530524 is about 1125.4481898824.

Adding to 1425530524 its reverse (4250355241), we get a palindrome (5675885765).

The spelling of 1425530524 in words is "one billion, four hundred twenty-five million, five hundred thirty thousand, five hundred twenty-four".