1253604411 has 16 divisors (see below), whose sum is σ = 1859020800. Its totient is φ = 834913224.

The previous prime is 1253604409. The next prime is 1253604419. The reversal of 1253604411 is 1144063521.

It is a happy number.

1253604411 is a `hidden beast` number, since 1 + 2 + 53 + 604 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 1253604411 - 2¹ = 1253604409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1253604419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5710 + ... + 50396.

It is an arithmetic number, because the mean of its divisors is an integer number (116188800).

Almost surely, 2^1253604411 is an apocalyptic number.

1253604411 is a deficient number, since it is larger than the sum of its proper divisors (605416389).

1253604411 is a wasteful number, since it uses less digits than its factorization.

1253604411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45735 (or 45729 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1253604411 is about 35406.2764351181. The cubic root of 1253604411 is about 1078.2517471554.

Adding to 1253604411 its reverse (1144063521), we get a palindrome (2397667932).

The spelling of 1253604411 in words is "one billion, two hundred fifty-three million, six hundred four thousand, four hundred eleven".