213000025 has 12 divisors (see below), whose sum is σ = 301851712. Its totient is φ = 146057040.

The previous prime is 213000023. The next prime is 213000049. The reversal of 213000025 is 520000312.

It is not a de Polignac number, because 213000025 - 2¹ = 213000023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212999969 and 213000014.

It is not an unprimeable number, because it can be changed into a prime (213000023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608397 + ... + 608746.

Almost surely, 2^213000025 is an apocalyptic number.

213000025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213000025 is a deficient number, since it is larger than the sum of its proper divisors (88851687).

213000025 is a wasteful number, since it uses less digits than its factorization.

213000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217160 (or 1217155 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 213000025 is about 14594.5203758123. The cubic root of 213000025 is about 597.2092853476.

Adding to 213000025 its reverse (520000312), we get a palindrome (733000337).

The spelling of 213000025 in words is "two hundred thirteen million, twenty-five", and thus it is an aban number.