1253414451 has 4 divisors (see below), whose sum is σ = 1671219272. Its totient is φ = 835609632.

The previous prime is 1253414441. The next prime is 1253414521. The reversal of 1253414451 is 1544143521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1253414451 - 2²¹ = 1251317299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253414411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208902406 + ... + 208902411.

It is an arithmetic number, because the mean of its divisors is an integer number (417804818).

Almost surely, 2^1253414451 is an apocalyptic number.

1253414451 is a deficient number, since it is larger than the sum of its proper divisors (417804821).

1253414451 is an equidigital number, since it uses as much as digits as its factorization.

1253414451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417804820.

The product of its digits is 9600, while the sum is 30.

The square root of 1253414451 is about 35403.5937582613. The cubic root of 1253414451 is about 1078.1972815290.

Adding to 1253414451 its reverse (1544143521), we get a palindrome (2797557972).

The spelling of 1253414451 in words is "one billion, two hundred fifty-three million, four hundred fourteen thousand, four hundred fifty-one".