2516029997 has 8 divisors (see below), whose sum is σ = 2712357816. Its totient is φ = 2320100352.

The previous prime is 2516029987. The next prime is 2516030047. The reversal of 2516029997 is 7999206152.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1256418916 + 1259611081 = 35446^2 + 35491^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2516029997 - 2⁴ = 2516029981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516029987) 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, 86348 + ... + 111749.

It is an arithmetic number, because the mean of its divisors is an integer number (339044727).

Almost surely, 2^2516029997 is an apocalyptic number.

It is an amenable number.

2516029997 is a deficient number, since it is larger than the sum of its proper divisors (196327819).

2516029997 is a wasteful number, since it uses less digits than its factorization.

2516029997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199087.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 2516029997 is about 50160.0438297257. The cubic root of 2516029997 is about 1360.1034373821.

The spelling of 2516029997 in words is "two billion, five hundred sixteen million, twenty-nine thousand, nine hundred ninety-seven".