2516211652 has 6 divisors (see below), whose sum is σ = 4403370398. Its totient is φ = 1258105824.

The previous prime is 2516211647. The next prime is 2516211673. The reversal of 2516211652 is 2561126152.

It can be written as a sum of positive squares in only one way, i.e., 2462541376 + 53670276 = 49624^2 + 7326^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314526453 + ... + 314526460.

Almost surely, 2^2516211652 is an apocalyptic number.

It is an amenable number.

2516211652 is a deficient number, since it is larger than the sum of its proper divisors (1887158746).

2516211652 is a wasteful number, since it uses less digits than its factorization.

2516211652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629052917 (or 629052915 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 2516211652 is about 50161.8545510431. The cubic root of 2516211652 is about 1360.1361693241.

The spelling of 2516211652 in words is "two billion, five hundred sixteen million, two hundred eleven thousand, six hundred fifty-two".