211460531 has 2 divisors, whose sum is σ = 211460532. Its totient is φ = 211460530.

The previous prime is 211460527. The next prime is 211460537. The reversal of 211460531 is 135064112.

211460531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211460531 - 2² = 211460527 is a prime.

It is a super-2 number, since 2×211460531² = 89431112341603922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 211460497 and 211460506.

It is not a weakly prime, because it can be changed into another prime (211460537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105730265 + 105730266.

It is an arithmetic number, because the mean of its divisors is an integer number (105730266).

Almost surely, 2^211460531 is an apocalyptic number.

211460531 is a deficient number, since it is larger than the sum of its proper divisors (1).

211460531 is an equidigital number, since it uses as much as digits as its factorization.

211460531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 211460531 is about 14541.6825367631. The cubic root of 211460531 is about 595.7669942975.

The spelling of 211460531 in words is "two hundred eleven million, four hundred sixty thousand, five hundred thirty-one".