2612524781 has 2 divisors, whose sum is σ = 2612524782. Its totient is φ = 2612524780.

The previous prime is 2612524699. The next prime is 2612524801. The reversal of 2612524781 is 1874252162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2612232100 + 292681 = 51110^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2612524781 - 2¹⁰ = 2612523757 is a prime.

It is a super-2 number, since 2×2612524781² = 13650571462678195922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2612526781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306262390 + 1306262391.

It is an arithmetic number, because the mean of its divisors is an integer number (1306262391).

Almost surely, 2^2612524781 is an apocalyptic number.

It is an amenable number.

2612524781 is a deficient number, since it is larger than the sum of its proper divisors (1).

2612524781 is an equidigital number, since it uses as much as digits as its factorization.

2612524781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 2612524781 is about 51112.8631657433. The cubic root of 2612524781 is about 1377.2733357176.

The spelling of 2612524781 in words is "two billion, six hundred twelve million, five hundred twenty-four thousand, seven hundred eighty-one".