253015043 has 2 divisors, whose sum is σ = 253015044. Its totient is φ = 253015042.

The previous prime is 253015033. The next prime is 253015079. The reversal of 253015043 is 340510352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253015043 - 2⁴ = 253015027 is a prime.

It is a super-2 number, since 2×253015043² = 128033223968583698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253015003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126507521 + 126507522.

It is an arithmetic number, because the mean of its divisors is an integer number (126507522).

Almost surely, 2^253015043 is an apocalyptic number.

253015043 is a deficient number, since it is larger than the sum of its proper divisors (1).

253015043 is an equidigital number, since it uses as much as digits as its factorization.

253015043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 253015043 is about 15906.4465862115. The cubic root of 253015043 is about 632.4828893391.

Adding to 253015043 its reverse (340510352), we get a palindrome (593525395).

The spelling of 253015043 in words is "two hundred fifty-three million, fifteen thousand, forty-three".