2512661026 has 4 divisors (see below), whose sum is σ = 3768991542. Its totient is φ = 1256330512.

The previous prime is 2512660993. The next prime is 2512661027. The reversal of 2512661026 is 6201662152.

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

It can be written as a sum of positive squares in only one way, i.e., 1949310801 + 563350225 = 44151^2 + 23735^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2512661027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628165255 + ... + 628165258.

Almost surely, 2^2512661026 is an apocalyptic number.

2512661026 is a deficient number, since it is larger than the sum of its proper divisors (1256330516).

2512661026 is a wasteful number, since it uses less digits than its factorization.

2512661026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256330515.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2512661026 is about 50126.4503630568. The cubic root of 2512661026 is about 1359.4961054961.

The spelling of 2512661026 in words is "two billion, five hundred twelve million, six hundred sixty-one thousand, twenty-six".