213475000 has 48 divisors (see below), whose sum is σ = 500358600. Its totient is φ = 85380000.

The previous prime is 213474997. The next prime is 213475027. The reversal of 213475000 is 574312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20731 + ... + 29269.

Almost surely, 2^213475000 is an apocalyptic number.

213475000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213475000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250179300).

213475000 is an abundant number, since it is smaller than the sum of its proper divisors (286883600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213475000 is an frugal number, since it uses more digits than its factorization.

213475000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8570 (or 8546 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 213475000 is about 14610.7836887691. The cubic root of 213475000 is about 597.6528672897.

The spelling of 213475000 in words is "two hundred thirteen million, four hundred seventy-five thousand".