213457463 has 4 divisors (see below), whose sum is σ = 214636968. Its totient is φ = 212277960.

The previous prime is 213457427. The next prime is 213457471. The reversal of 213457463 is 364754312.

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

It is a cyclic number.

It is not a de Polignac number, because 213457463 - 2⁶ = 213457399 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 (213457493) 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, 589481 + ... + 589842.

It is an arithmetic number, because the mean of its divisors is an integer number (53659242).

Almost surely, 2^213457463 is an apocalyptic number.

213457463 is a deficient number, since it is larger than the sum of its proper divisors (1179505).

213457463 is a wasteful number, since it uses less digits than its factorization.

213457463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179504.

The product of its digits is 60480, while the sum is 35.

The square root of 213457463 is about 14610.1835375193. The cubic root of 213457463 is about 597.6365010870.

The spelling of 213457463 in words is "two hundred thirteen million, four hundred fifty-seven thousand, four hundred sixty-three".