3051125681 has 2 divisors, whose sum is σ = 3051125682. Its totient is φ = 3051125680.

The previous prime is 3051125657. The next prime is 3051125687. The reversal of 3051125681 is 1865211503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2975157025 + 75968656 = 54545^2 + 8716^2 .

It is a cyclic number.

It is not a de Polignac number, because 3051125681 - 2¹⁴ = 3051109297 is a prime.

It is a super-2 number, since 2×3051125681² = 18618735842515427522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3051125687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1525562840 + 1525562841.

It is an arithmetic number, because the mean of its divisors is an integer number (1525562841).

Almost surely, 2^3051125681 is an apocalyptic number.

It is an amenable number.

3051125681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3051125681 is an equidigital number, since it uses as much as digits as its factorization.

3051125681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 3051125681 is about 55236.9955826709. The cubic root of 3051125681 is about 1450.3963531622.

The spelling of 3051125681 in words is "three billion, fifty-one million, one hundred twenty-five thousand, six hundred eighty-one".