2150513 has 2 divisors, whose sum is σ = 2150514.
Its totient is φ = 2150512.
The previous prime is 2150509. The next prime is 2150527. The reversal of 2150513 is 3150512.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1620529 + 529984 = 1273^2 + 728^2
It is a cyclic number.
It is not a de Polignac number, because 2150513 - 22 = 2150509 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2150491 and 2150500.
It is not a weakly prime, because it can be changed into another prime (2150543) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075256 + 1075257.
It is an arithmetic number, because the mean of its divisors is an integer number (1075257).
22150513 is an apocalyptic number.
It is an amenable number.
2150513 is a deficient number, since it is larger than the sum of its proper divisors (1).
2150513 is an equidigital number, since it uses as much as digits as its factorization.
2150513 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 150, while the sum is 17.
The square root of 2150513 is about 1466.4627509760.
The cubic root of 2150513 is about 129.0765525233.
Subtracting 2150513 from its reverse (3150512), we obtain a palindrome (999999).
The spelling of 2150513 in words is "two million, one hundred fifty thousand, five hundred thirteen".