1252520023 has 2 divisors, whose sum is σ = 1252520024. Its totient is φ = 1252520022.

The previous prime is 1252520021. The next prime is 1252520099. The reversal of 1252520023 is 3200252521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1252520023 - 2¹ = 1252520021 is a prime.

Together with 1252520021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1252519976 and 1252520003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252520021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626260011 + 626260012.

It is an arithmetic number, because the mean of its divisors is an integer number (626260012).

Almost surely, 2^1252520023 is an apocalyptic number.

1252520023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252520023 is an equidigital number, since it uses as much as digits as its factorization.

1252520023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1252520023 is about 35390.9596224799. The cubic root of 1252520023 is about 1077.9407557598.

Adding to 1252520023 its reverse (3200252521), we get a palindrome (4452772544).

The spelling of 1252520023 in words is "one billion, two hundred fifty-two million, five hundred twenty thousand, twenty-three".