213535454 has 8 divisors (see below), whose sum is σ = 349421688. Its totient is φ = 97061560.

The previous prime is 213535403. The next prime is 213535477. The reversal of 213535454 is 454535312.

It is a happy number.

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

It is a super-2 number, since 2×213535454² = 91194780229972232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213535454.

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, 4853057 + ... + 4853100.

It is an arithmetic number, because the mean of its divisors is an integer number (43677711).

Almost surely, 2^213535454 is an apocalyptic number.

213535454 is a deficient number, since it is larger than the sum of its proper divisors (135886234).

213535454 is a wasteful number, since it uses less digits than its factorization.

213535454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9706170.

The product of its digits is 36000, while the sum is 32.

The square root of 213535454 is about 14612.8523567440. The cubic root of 213535454 is about 597.7092784173.

The spelling of 213535454 in words is "two hundred thirteen million, five hundred thirty-five thousand, four hundred fifty-four".