1630532517 has 8 divisors (see below), whose sum is σ = 2181726624. Its totient is φ = 1083180048.

The previous prime is 1630532419. The next prime is 1630532551. The reversal of 1630532517 is 7152350361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1630532517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630532117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959418 + ... + 961115.

It is an arithmetic number, because the mean of its divisors is an integer number (272715828).

Almost surely, 2^1630532517 is an apocalyptic number.

It is an amenable number.

1630532517 is a deficient number, since it is larger than the sum of its proper divisors (551194107).

1630532517 is a wasteful number, since it uses less digits than its factorization.

1630532517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920819.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 1630532517 is about 40379.8528600588. The cubic root of 1630532517 is about 1177.0000683351. Note that the first 4 decimals are identical.

Adding to 1630532517 its reverse (7152350361), we get a palindrome (8782882878).

The spelling of 1630532517 in words is "one billion, six hundred thirty million, five hundred thirty-two thousand, five hundred seventeen".