2152717437 has 48 divisors (see below), whose sum is σ = 3185664000. Its totient is φ = 1292106816.

The previous prime is 2152717433. The next prime is 2152717439. The reversal of 2152717437 is 7347172512.

It is not a de Polignac number, because 2152717437 - 2² = 2152717433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 2152717395 and 2152717404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152717433) 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 47 ways as a sum of consecutive naturals, for example, 4313814 + ... + 4314312.

It is an arithmetic number, because the mean of its divisors is an integer number (66368000).

Almost surely, 2^2152717437 is an apocalyptic number.

It is an amenable number.

2152717437 is a deficient number, since it is larger than the sum of its proper divisors (1032946563).

2152717437 is a wasteful number, since it uses less digits than its factorization.

2152717437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 709 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 2152717437 is about 46397.3861009432. The cubic root of 2152717437 is about 1291.2064184184.

Adding to 2152717437 its reverse (7347172512), we get a palindrome (9499889949).

The spelling of 2152717437 in words is "two billion, one hundred fifty-two million, seven hundred seventeen thousand, four hundred thirty-seven".