2574512287961 has 2 divisors, whose sum is σ = 2574512287962. Its totient is φ = 2574512287960.

The previous prime is 2574512287957. The next prime is 2574512288009. The reversal of 2574512287961 is 1697822154752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2386020855625 + 188491432336 = 1544675^2 + 434156^2 .

It is a cyclic number.

It is not a de Polignac number, because 2574512287961 - 2² = 2574512287957 is a prime.

It is a super-2 number, since 2×2574512287961² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2574512287961.

It is not a weakly prime, because it can be changed into another prime (2574512287861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287256143980 + 1287256143981.

It is an arithmetic number, because the mean of its divisors is an integer number (1287256143981).

Almost surely, 2^{2574512287961} is an apocalyptic number.

It is an amenable number.

2574512287961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2574512287961 is an equidigital number, since it uses as much as digits as its factorization.

2574512287961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 59.

The spelling of 2574512287961 in words is "two trillion, five hundred seventy-four billion, five hundred twelve million, two hundred eighty-seven thousand, nine hundred sixty-one".