250005213 has 24 divisors (see below), whose sum is σ = 386987328. Its totient is φ = 154968192.

The previous prime is 250005191. The next prime is 250005221. The reversal of 250005213 is 312500052.

It is a happy number.

It is not a de Polignac number, because 250005213 - 2⁸ = 250004957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250005013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2856 + ... + 22542.

It is an arithmetic number, because the mean of its divisors is an integer number (16124472).

Almost surely, 2^250005213 is an apocalyptic number.

It is an amenable number.

250005213 is a deficient number, since it is larger than the sum of its proper divisors (136982115).

250005213 is a wasteful number, since it uses less digits than its factorization.

250005213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19793 (or 19790 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 250005213 is about 15811.5531495170. The cubic root of 250005213 is about 629.9649035626.

Adding to 250005213 its reverse (312500052), we get a palindrome (562505265).

The spelling of 250005213 in words is "two hundred fifty million, five thousand, two hundred thirteen".