1253533031 has 2 divisors, whose sum is σ = 1253533032. Its totient is φ = 1253533030.

The previous prime is 1253533009. The next prime is 1253533067. The reversal of 1253533031 is 1303353521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1253533031 - 2⁶ = 1253532967 is a prime.

It is a super-2 number, since 2×1253533031² = 3142690119616093922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253553031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626766515 + 626766516.

It is an arithmetic number, because the mean of its divisors is an integer number (626766516).

Almost surely, 2^1253533031 is an apocalyptic number.

1253533031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253533031 is an equidigital number, since it uses as much as digits as its factorization.

1253533031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 1253533031 is about 35405.2684073995. The cubic root of 1253533031 is about 1078.2312816162.

Adding to 1253533031 its reverse (1303353521), we get a palindrome (2556886552).

The spelling of 1253533031 in words is "one billion, two hundred fifty-three million, five hundred thirty-three thousand, thirty-one".