213380554 has 12 divisors (see below), whose sum is σ = 328959414. Its totient is φ = 103805424.

The previous prime is 213380543. The next prime is 213380561. The reversal of 213380554 is 455083312.

It can be written as a sum of positive squares in 3 ways, for example, as 213306025 + 74529 = 14605^2 + 273^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36229 + ... + 41704.

Almost surely, 2^213380554 is an apocalyptic number.

213380554 is a deficient number, since it is larger than the sum of its proper divisors (115578860).

213380554 is an equidigital number, since it uses as much as digits as its factorization.

213380554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78009 (or 77972 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 213380554 is about 14607.5512663827. The cubic root of 213380554 is about 597.5647160635.

The spelling of 213380554 in words is "two hundred thirteen million, three hundred eighty thousand, five hundred fifty-four".