2897219252 has 6 divisors (see below), whose sum is σ = 5070133698. Its totient is φ = 1448609624.

The previous prime is 2897219207. The next prime is 2897219263. The reversal of 2897219252 is 2529127982.

It can be written as a sum of positive squares in only one way, i.e., 1513676836 + 1383542416 = 38906^2 + 37196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2897219197 and 2897219206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362152403 + ... + 362152410.

It is an arithmetic number, because the mean of its divisors is an integer number (845022283).

Almost surely, 2^2897219252 is an apocalyptic number.

It is an amenable number.

2897219252 is a deficient number, since it is larger than the sum of its proper divisors (2172914446).

2897219252 is a wasteful number, since it uses less digits than its factorization.

2897219252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724304817 (or 724304815 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 2897219252 is about 53825.8232821385. The cubic root of 2897219252 is about 1425.5872006169.

The spelling of 2897219252 in words is "two billion, eight hundred ninety-seven million, two hundred nineteen thousand, two hundred fifty-two".