213477001 has 4 divisors (see below), whose sum is σ = 215366292. Its totient is φ = 211587712.

The previous prime is 213476987. The next prime is 213477023. The reversal of 213477001 is 100774312.

It is a happy number.

213477001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8271376 + 205205625 = 2876^2 + 14325^2 .

It is a cyclic number.

It is not a de Polignac number, because 213477001 - 2¹¹ = 213474953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213477101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944476 + ... + 944701.

It is an arithmetic number, because the mean of its divisors is an integer number (53841573).

Almost surely, 2^213477001 is an apocalyptic number.

It is an amenable number.

213477001 is a deficient number, since it is larger than the sum of its proper divisors (1889291).

213477001 is a wasteful number, since it uses less digits than its factorization.

213477001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889290.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 213477001 is about 14610.8521654283. The cubic root of 213477001 is about 597.6547346429.

The spelling of 213477001 in words is "two hundred thirteen million, four hundred seventy-seven thousand, one".