1010423251 has 2 divisors, whose sum is σ = 1010423252. Its totient is φ = 1010423250.

The previous prime is 1010423233. The next prime is 1010423257. The reversal of 1010423251 is 1523240101.

It is a strong prime.

It is an emirp because it is prime and its reverse (1523240101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010423251 - 2⁹ = 1010422739 is a prime.

It is a super-2 number, since 2×1010423251² = 2041910292322818002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1010423257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505211625 + 505211626.

It is an arithmetic number, because the mean of its divisors is an integer number (505211626).

Almost surely, 2^1010423251 is an apocalyptic number.

1010423251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010423251 is an equidigital number, since it uses as much as digits as its factorization.

1010423251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1010423251 is about 31787.1554405235. The cubic root of 1010423251 is about 1003.4624148473.

Adding to 1010423251 its reverse (1523240101), we get a palindrome (2533663352).

The spelling of 1010423251 in words is "one billion, ten million, four hundred twenty-three thousand, two hundred fifty-one".