216452535 has 16 divisors (see below), whose sum is σ = 372964704. Its totient is φ = 106561152.

The previous prime is 216452513. The next prime is 216452557. The reversal of 216452535 is 535254612.

It is an interprime number because it is at equal distance from previous prime (216452513) and next prime (216452557).

It is not a de Polignac number, because 216452535 - 2¹² = 216448439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216452496 and 216452505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554812 + ... + 555201.

It is an arithmetic number, because the mean of its divisors is an integer number (23310294).

Almost surely, 2^216452535 is an apocalyptic number.

216452535 is a deficient number, since it is larger than the sum of its proper divisors (156512169).

216452535 is a wasteful number, since it uses less digits than its factorization.

216452535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110034.

The product of its digits is 36000, while the sum is 33.

The square root of 216452535 is about 14712.3259547904. The cubic root of 216452535 is about 600.4187216079.

The spelling of 216452535 in words is "two hundred sixteen million, four hundred fifty-two thousand, five hundred thirty-five".