212625503 has 4 divisors (see below), whose sum is σ = 214730808. Its totient is φ = 210520200.

The previous prime is 212625493. The next prime is 212625521. The reversal of 212625503 is 305526212.

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

It is a cyclic number.

It is not a de Polignac number, because 212625503 - 2⁸ = 212625247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212615503) 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, 1052501 + ... + 1052702.

It is an arithmetic number, because the mean of its divisors is an integer number (53682702).

Almost surely, 2^212625503 is an apocalyptic number.

212625503 is a deficient number, since it is larger than the sum of its proper divisors (2105305).

212625503 is a wasteful number, since it uses less digits than its factorization.

212625503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105304.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 212625503 is about 14581.6838190930. The cubic root of 212625503 is about 596.8590518404.

The spelling of 212625503 in words is "two hundred twelve million, six hundred twenty-five thousand, five hundred three".