211003480 has 32 divisors (see below), whose sum is σ = 481451040. Its totient is φ = 83211520.

The previous prime is 211003477. The next prime is 211003483. The reversal of 211003480 is 84300112.

It is an interprime number because it is at equal distance from previous prime (211003477) and next prime (211003483).

It is a super-2 number, since 2×211003480² = 89044937144220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211003483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34309 + ... + 39988.

It is an arithmetic number, because the mean of its divisors is an integer number (15045345).

Almost surely, 2^211003480 is an apocalyptic number.

211003480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211003480 is an abundant number, since it is smaller than the sum of its proper divisors (270447560).

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

211003480 is a wasteful number, since it uses less digits than its factorization.

211003480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74379 (or 74375 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 211003480 is about 14525.9588323801. The cubic root of 211003480 is about 595.3374542232.

Adding to 211003480 its reverse (84300112), we get a palindrome (295303592).

The spelling of 211003480 in words is "two hundred eleven million, three thousand, four hundred eighty".