213315454 has 8 divisors (see below), whose sum is σ = 349061688. Its totient is φ = 96961560.

The previous prime is 213315437. The next prime is 213315491. The reversal of 213315454 is 454513312.

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

It is a super-2 number, since 2×213315454² = 91006965830452232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4848057 + ... + 4848100.

It is an arithmetic number, because the mean of its divisors is an integer number (43632711).

Almost surely, 2^213315454 is an apocalyptic number.

213315454 is a deficient number, since it is larger than the sum of its proper divisors (135746234).

213315454 is a wasteful number, since it uses less digits than its factorization.

213315454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696170.

The product of its digits is 7200, while the sum is 28.

The square root of 213315454 is about 14605.3227968436. The cubic root of 213315454 is about 597.5039397977.

Adding to 213315454 its reverse (454513312), we get a palindrome (667828766).

The spelling of 213315454 in words is "two hundred thirteen million, three hundred fifteen thousand, four hundred fifty-four".