1252524430403 has 2 divisors, whose sum is σ = 1252524430404. Its totient is φ = 1252524430402.

The previous prime is 1252524430369. The next prime is 1252524430433. The reversal of 1252524430403 is 3040344252521.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3040344252521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252524430403 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1252524430433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626262215201 + 626262215202.

It is an arithmetic number, because the mean of its divisors is an integer number (626262215202).

Almost surely, 2^{1252524430403} is an apocalyptic number.

1252524430403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252524430403 is an equidigital number, since it uses as much as digits as its factorization.

1252524430403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 1252524430403 its reverse (3040344252521), we get a palindrome (4292868682924).

The spelling of 1252524430403 in words is "one trillion, two hundred fifty-two billion, five hundred twenty-four million, four hundred thirty thousand, four hundred three".