63213454 has 4 divisors (see below), whose sum is σ = 94820184. Its totient is φ = 31606726.

The previous prime is 63213439. The next prime is 63213457. The reversal of 63213454 is 45431236.

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

It is a super-2 number, since 2×63213454² = 7991881533220232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63213457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15803362 + ... + 15803365.

It is an arithmetic number, because the mean of its divisors is an integer number (23705046).

Almost surely, 2^63213454 is an apocalyptic number.

63213454 is a deficient number, since it is larger than the sum of its proper divisors (31606730).

63213454 is a wasteful number, since it uses less digits than its factorization.

63213454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31606729.

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

The square root of 63213454 is about 7950.6889009695. The cubic root of 63213454 is about 398.3546034560.

The spelling of 63213454 in words is "sixty-three million, two hundred thirteen thousand, four hundred fifty-four".