1463400253 has 8 divisors (see below), whose sum is σ = 1682126208. Its totient is φ = 1247091504.

The previous prime is 1463400251. The next prime is 1463400313. The reversal of 1463400253 is 3520043641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1463400253 - 2¹ = 1463400251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1463400251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603001 + ... + 605422.

It is an arithmetic number, because the mean of its divisors is an integer number (210265776).

Almost surely, 2^1463400253 is an apocalyptic number.

It is an amenable number.

1463400253 is a deficient number, since it is larger than the sum of its proper divisors (218725955).

1463400253 is a wasteful number, since it uses less digits than its factorization.

1463400253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208603.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1463400253 is about 38254.4148171162. The cubic root of 1463400253 is about 1135.3271978707.

Adding to 1463400253 its reverse (3520043641), we get a palindrome (4983443894).

The spelling of 1463400253 in words is "one billion, four hundred sixty-three million, four hundred thousand, two hundred fifty-three".