1630532 has 6 divisors (see below), whose sum is σ = 2853438. Its totient is φ = 815264.

The previous prime is 1630501. The next prime is 1630543. The reversal of 1630532 is 2350361.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 498436 = 1064^2 + 706^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203813 + ... + 203820.

It is an arithmetic number, because the mean of its divisors is an integer number (475573).

2^1630532 is an apocalyptic number.

It is an amenable number.

1630532 is a deficient number, since it is larger than the sum of its proper divisors (1222906).

1630532 is a wasteful number, since it uses less digits than its factorization.

1630532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407637 (or 407635 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1630532 is about 1276.9228637627. The cubic root of 1630532 is about 117.6999943936.

Adding to 1630532 its reverse (2350361), we get a palindrome (3980893).

The spelling of 1630532 in words is "one million, six hundred thirty thousand, five hundred thirty-two".