6501149 has 2 divisors, whose sum is σ = 6501150. Its totient is φ = 6501148.

The previous prime is 6501113. The next prime is 6501179. The reversal of 6501149 is 9411056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5968249 + 532900 = 2443^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 6501149 - 2¹² = 6497053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6501109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250574 + 3250575.

It is an arithmetic number, because the mean of its divisors is an integer number (3250575).

Almost surely, 2^6501149 is an apocalyptic number.

It is an amenable number.

6501149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6501149 is an equidigital number, since it uses as much as digits as its factorization.

6501149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 6501149 is about 2549.7350842784. The cubic root of 6501149 is about 186.6365537451.

The spelling of 6501149 in words is "six million, five hundred one thousand, one hundred forty-nine".