1253505334 has 4 divisors (see below), whose sum is σ = 1880258004. Its totient is φ = 626752666.

The previous prime is 1253505311. The next prime is 1253505349. The reversal of 1253505334 is 4335053521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4335053521 = 1663 ⋅2606767.

It is a junction number, because it is equal to n+sod(n) for n = 1253505296 and 1253505305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313376332 + ... + 313376335.

It is an arithmetic number, because the mean of its divisors is an integer number (470064501).

Almost surely, 2^1253505334 is an apocalyptic number.

1253505334 is a deficient number, since it is larger than the sum of its proper divisors (626752670).

1253505334 is an equidigital number, since it uses as much as digits as its factorization.

1253505334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626752669.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 1253505334 is about 35404.8772628857. The cubic root of 1253505334 is about 1078.2233403305.

Adding to 1253505334 its reverse (4335053521), we get a palindrome (5588558855).

The spelling of 1253505334 in words is "one billion, two hundred fifty-three million, five hundred five thousand, three hundred thirty-four".