63020149 has 2 divisors, whose sum is σ = 63020150. Its totient is φ = 63020148.

The previous prime is 63020147. The next prime is 63020159. The reversal of 63020149 is 94102036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36084049 + 26936100 = 6007^2 + 5190^2 .

It is a cyclic number.

It is not a de Polignac number, because 63020149 - 2¹ = 63020147 is a prime.

Together with 63020147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63020141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31510074 + 31510075.

It is an arithmetic number, because the mean of its divisors is an integer number (31510075).

Almost surely, 2^63020149 is an apocalyptic number.

It is an amenable number.

63020149 is a deficient number, since it is larger than the sum of its proper divisors (1).

63020149 is an equidigital number, since it uses as much as digits as its factorization.

63020149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 63020149 is about 7938.5230994184. The cubic root of 63020149 is about 397.9481363864.

The spelling of 63020149 in words is "sixty-three million, twenty thousand, one hundred forty-nine".