210554132 has 6 divisors (see below), whose sum is σ = 368469738. Its totient is φ = 105277064.

The previous prime is 210554131. The next prime is 210554137. The reversal of 210554132 is 231455012.

It can be written as a sum of positive squares in only one way, i.e., 171191056 + 39363076 = 13084^2 + 6274^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210554098 and 210554107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210554131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26319263 + ... + 26319270.

It is an arithmetic number, because the mean of its divisors is an integer number (61411623).

Almost surely, 2^210554132 is an apocalyptic number.

It is an amenable number.

210554132 is a deficient number, since it is larger than the sum of its proper divisors (157915606).

210554132 is a wasteful number, since it uses less digits than its factorization.

210554132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52638537 (or 52638535 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 210554132 is about 14510.4835205447. The cubic root of 210554132 is about 594.9145483761.

The spelling of 210554132 in words is "two hundred ten million, five hundred fifty-four thousand, one hundred thirty-two".