213510038 has 16 divisors (see below), whose sum is σ = 387548064. Its totient is φ = 86121600.

The previous prime is 213510013. The next prime is 213510107. The reversal of 213510038 is 830015312.

It is a super-2 number, since 2×213510038² = 91173072653522888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213509995 and 213510022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448313 + ... + 448788.

It is an arithmetic number, because the mean of its divisors is an integer number (24221754).

Almost surely, 2^213510038 is an apocalyptic number.

213510038 is a deficient number, since it is larger than the sum of its proper divisors (174038026).

213510038 is a wasteful number, since it uses less digits than its factorization.

213510038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897127.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 213510038 is about 14611.9826854537. The cubic root of 213510038 is about 597.6855634143.

The spelling of 213510038 in words is "two hundred thirteen million, five hundred ten thousand, thirty-eight".