2510213081 has 4 divisors (see below), whose sum is σ = 2657872692. Its totient is φ = 2362553472.

The previous prime is 2510213053. The next prime is 2510213087. The reversal of 2510213081 is 1803120152.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1623364681 + 886848400 = 40291^2 + 29780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2510213081 is a prime.

It is a super-2 number, since 2×2510213081² = 12602339424047025122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2510213087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73829780 + ... + 73829813.

It is an arithmetic number, because the mean of its divisors is an integer number (664468173).

Almost surely, 2^2510213081 is an apocalyptic number.

It is an amenable number.

2510213081 is a deficient number, since it is larger than the sum of its proper divisors (147659611).

2510213081 is a wasteful number, since it uses less digits than its factorization.

2510213081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147659610.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 2510213081 is about 50102.0267154933. The cubic root of 2510213081 is about 1359.0544683901.

It can be divided in two parts, 25102 and 13081, that added together give a palindrome (38183).

The spelling of 2510213081 in words is "two billion, five hundred ten million, two hundred thirteen thousand, eighty-one".