1024605251 has 2 divisors, whose sum is σ = 1024605252. Its totient is φ = 1024605250.

The previous prime is 1024605209. The next prime is 1024605271. The reversal of 1024605251 is 1525064201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1024605251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1024605251.

It is not a weakly prime, because it can be changed into another prime (1024605271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512302625 + 512302626.

It is an arithmetic number, because the mean of its divisors is an integer number (512302626).

Almost surely, 2^1024605251 is an apocalyptic number.

1024605251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024605251 is an equidigital number, since it uses as much as digits as its factorization.

1024605251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1024605251 is about 32009.4556498545. The cubic root of 1024605251 is about 1008.1353863435.

Adding to 1024605251 its reverse (1525064201), we get a palindrome (2549669452).

The spelling of 1024605251 in words is "one billion, twenty-four million, six hundred five thousand, two hundred fifty-one".