1532457532 has 12 divisors (see below), whose sum is σ = 2698883320. Its totient is φ = 761348016.

The previous prime is 1532457499. The next prime is 1532457551. The reversal of 1532457532 is 2357542351.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1532457491 and 1532457500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219482 + ... + 1220737.

Almost surely, 2^1532457532 is an apocalyptic number.

It is an amenable number.

1532457532 is a deficient number, since it is larger than the sum of its proper divisors (1166425788).

1532457532 is a wasteful number, since it uses less digits than its factorization.

1532457532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440380 (or 2440378 counting only the distinct ones).

The product of its digits is 126000, while the sum is 37.

The square root of 1532457532 is about 39146.6158435183. The cubic root of 1532457532 is about 1152.9119729639.

Adding to 1532457532 its reverse (2357542351), we get a palindrome (3889999883).

The spelling of 1532457532 in words is "one billion, five hundred thirty-two million, four hundred fifty-seven thousand, five hundred thirty-two".