616074149 has 2 divisors, whose sum is σ = 616074150. Its totient is φ = 616074148.

The previous prime is 616074133. The next prime is 616074227. The reversal of 616074149 is 941470616.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 567868900 + 48205249 = 23830^2 + 6943^2 .

It is a cyclic number.

It is not a de Polignac number, because 616074149 - 2⁴ = 616074133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616074049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308037074 + 308037075.

It is an arithmetic number, because the mean of its divisors is an integer number (308037075).

Almost surely, 2^616074149 is an apocalyptic number.

It is an amenable number.

616074149 is a deficient number, since it is larger than the sum of its proper divisors (1).

616074149 is an equidigital number, since it uses as much as digits as its factorization.

616074149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 616074149 is about 24820.8410212064. The cubic root of 616074149 is about 850.8983116574.

It can be divided in two parts, 61607 and 4149, that added together give a palindrome (65756).

The spelling of 616074149 in words is "six hundred sixteen million, seventy-four thousand, one hundred forty-nine".