2509261012 has 6 divisors (see below), whose sum is σ = 4391206778. Its totient is φ = 1254630504.

The previous prime is 2509261009. The next prime is 2509261031. The reversal of 2509261012 is 2101629052.

It can be written as a sum of positive squares in only one way, i.e., 2401392016 + 107868996 = 49004^2 + 10386^2 .

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, 313657623 + ... + 313657630.

Almost surely, 2^2509261012 is an apocalyptic number.

It is an amenable number.

2509261012 is a deficient number, since it is larger than the sum of its proper divisors (1881945766).

2509261012 is a wasteful number, since it uses less digits than its factorization.

2509261012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627315257 (or 627315255 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2509261012 is about 50092.5245121465. The cubic root of 2509261012 is about 1358.8826267700.

The spelling of 2509261012 in words is "two billion, five hundred nine million, two hundred sixty-one thousand, twelve".