213450415 has 8 divisors (see below), whose sum is σ = 256251600. Its totient is φ = 170686272.

The previous prime is 213450403. The next prime is 213450431. The reversal of 213450415 is 514054312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 213450415 - 2⁷ = 213450287 is a prime.

It is a super-2 number, since 2×213450415² = 91122159327344450, 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 213450415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5587 + ... + 21403.

It is an arithmetic number, because the mean of its divisors is an integer number (32031450).

Almost surely, 2^213450415 is an apocalyptic number.

213450415 is a deficient number, since it is larger than the sum of its proper divisors (42801185).

213450415 is a wasteful number, since it uses less digits than its factorization.

213450415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18521.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 213450415 is about 14609.9423339040. The cubic root of 213450415 is about 597.6299233699.

The spelling of 213450415 in words is "two hundred thirteen million, four hundred fifty thousand, four hundred fifteen".