214090521 has 8 divisors (see below), whose sum is σ = 285677664. Its totient is φ = 142615200.

The previous prime is 214090511. The next prime is 214090529. The reversal of 214090521 is 125090412.

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

It is a de Polignac number, because none of the positive numbers 2^k-214090521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214090491 and 214090500.

It is not an unprimeable number, because it can be changed into a prime (214090529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23380 + ... + 31221.

It is an arithmetic number, because the mean of its divisors is an integer number (35709708).

Almost surely, 2^214090521 is an apocalyptic number.

It is an amenable number.

214090521 is a deficient number, since it is larger than the sum of its proper divisors (71587143).

214090521 is a wasteful number, since it uses less digits than its factorization.

214090521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55911.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 214090521 is about 14631.8324553010. The cubic root of 214090521 is about 598.2267282306.

The spelling of 214090521 in words is "two hundred fourteen million, ninety thousand, five hundred twenty-one".