1253455003 has 2 divisors, whose sum is σ = 1253455004. Its totient is φ = 1253455002.

The previous prime is 1253454991. The next prime is 1253455037. The reversal of 1253455003 is 3005543521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1253455003 - 2¹³ = 1253446811 is a prime.

It is a super-2 number, since 2×1253455003² = 3142298889091460018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1253455043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626727501 + 626727502.

It is an arithmetic number, because the mean of its divisors is an integer number (626727502).

Almost surely, 2^1253455003 is an apocalyptic number.

1253455003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253455003 is an equidigital number, since it uses as much as digits as its factorization.

1253455003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 1253455003 is about 35404.1664638500. The cubic root of 1253455003 is about 1078.2089091234.

Adding to 1253455003 its reverse (3005543521), we get a palindrome (4258998524).

The spelling of 1253455003 in words is "one billion, two hundred fifty-three million, four hundred fifty-five thousand, three".