1255024361 has 2 divisors, whose sum is σ = 1255024362. Its totient is φ = 1255024360.

The previous prime is 1255024343. The next prime is 1255024363. The reversal of 1255024361 is 1634205521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1188111961 + 66912400 = 34469^2 + 8180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255024361 - 2¹⁰ = 1255023337 is a prime.

It is a super-2 number, since 2×1255024361² = 3150172293406916642, which contains 22 as substring.

Together with 1255024363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1255024363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627512180 + 627512181.

It is an arithmetic number, because the mean of its divisors is an integer number (627512181).

Almost surely, 2^1255024361 is an apocalyptic number.

It is an amenable number.

1255024361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255024361 is an equidigital number, since it uses as much as digits as its factorization.

1255024361 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 29.

The square root of 1255024361 is about 35426.3229957612. The cubic root of 1255024361 is about 1078.6587032475.

Adding to 1255024361 its reverse (1634205521), we get a palindrome (2889229882).

The spelling of 1255024361 in words is "one billion, two hundred fifty-five million, twenty-four thousand, three hundred sixty-one".