616025213 has 2 divisors, whose sum is σ = 616025214. Its totient is φ = 616025212.

The previous prime is 616025197. The next prime is 616025219. The reversal of 616025213 is 312520616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423454084 + 192571129 = 20578^2 + 13877^2 .

It is a cyclic number.

It is not a de Polignac number, because 616025213 - 2⁴ = 616025197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616025219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308012606 + 308012607.

It is an arithmetic number, because the mean of its divisors is an integer number (308012607).

Almost surely, 2^616025213 is an apocalyptic number.

It is an amenable number.

616025213 is a deficient number, since it is larger than the sum of its proper divisors (1).

616025213 is an equidigital number, since it uses as much as digits as its factorization.

616025213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 616025213 is about 24819.8552171442. The cubic root of 616025213 is about 850.8757815434.

Adding to 616025213 its reverse (312520616), we get a palindrome (928545829).

The spelling of 616025213 in words is "six hundred sixteen million, twenty-five thousand, two hundred thirteen".