252142403 has 2 divisors, whose sum is σ = 252142404. Its totient is φ = 252142402.

The previous prime is 252142393. The next prime is 252142417. The reversal of 252142403 is 304241252.

It is a happy number.

252142403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252142403 - 2⁶ = 252142339 is a prime.

It is a super-2 number, since 2×252142403² = 127151582781228818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252142433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126071201 + 126071202.

It is an arithmetic number, because the mean of its divisors is an integer number (126071202).

Almost surely, 2^252142403 is an apocalyptic number.

252142403 is a deficient number, since it is larger than the sum of its proper divisors (1).

252142403 is an equidigital number, since it uses as much as digits as its factorization.

252142403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 252142403 is about 15878.9925058235. The cubic root of 252142403 is about 631.7549146838.

Adding to 252142403 its reverse (304241252), we get a palindrome (556383655).

The spelling of 252142403 in words is "two hundred fifty-two million, one hundred forty-two thousand, four hundred three".