463628551 has 4 divisors (see below), whose sum is σ = 463672504. Its totient is φ = 463584600.

The previous prime is 463628527. The next prime is 463628563. The reversal of 463628551 is 155826364.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(463628551) divides (463628551-1)³.

It is a cyclic number.

It is not a de Polignac number, because 463628551 - 2¹³ = 463620359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463628051) 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, 4396 + ... + 30766.

It is an arithmetic number, because the mean of its divisors is an integer number (115918126).

Almost surely, 2^463628551 is an apocalyptic number.

463628551 is the 17581-st pentagonal number.

463628551 is a deficient number, since it is larger than the sum of its proper divisors (43953).

463628551 is a wasteful number, since it uses less digits than its factorization.

463628551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43952.

The product of its digits is 172800, while the sum is 40.

The square root of 463628551 is about 21532.0354588227. The cubic root of 463628551 is about 773.9686877366.

The spelling of 463628551 in words is "four hundred sixty-three million, six hundred twenty-eight thousand, five hundred fifty-one".