2513356251061 has 2 divisors, whose sum is σ = 2513356251062. Its totient is φ = 2513356251060.

The previous prime is 2513356251047. The next prime is 2513356251079. The reversal of 2513356251061 is 1601526533152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1664435416900 + 848920834161 = 1290130^2 + 921369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2513356251061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2513356251041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256678125530 + 1256678125531.

It is an arithmetic number, because the mean of its divisors is an integer number (1256678125531).

Almost surely, 2^{2513356251061} is an apocalyptic number.

It is an amenable number.

2513356251061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513356251061 is an equidigital number, since it uses as much as digits as its factorization.

2513356251061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 2513356251061 in words is "two trillion, five hundred thirteen billion, three hundred fifty-six million, two hundred fifty-one thousand, sixty-one".