Search a number
-
+
62542481 is a prime number
BaseRepresentation
bin1110111010010…
…1001010010001
311100200111011012
43232211022101
5112002324411
610112300305
71356413411
oct356451221
9140614135
1062542481
1132338101
1218b41695
13cc5a2b1
148440641
15575618b
hex3ba5291

62542481 has 2 divisors, whose sum is σ = 62542482. Its totient is φ = 62542480.

The previous prime is 62542457. The next prime is 62542523. The reversal of 62542481 is 18424526.

62542481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33166081 + 29376400 = 5759^2 + 5420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-62542481 is a prime.

It is a super-2 number, since 2×625424812 = 7823123859270722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (62548481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31271240 + 31271241.

It is an arithmetic number, because the mean of its divisors is an integer number (31271241).

Almost surely, 262542481 is an apocalyptic number.

It is an amenable number.

62542481 is a deficient number, since it is larger than the sum of its proper divisors (1).

62542481 is an equidigital number, since it uses as much as digits as its factorization.

62542481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 32.

The square root of 62542481 is about 7908.3804283810. The cubic root of 62542481 is about 396.9401551408.

The spelling of 62542481 in words is "sixty-two million, five hundred forty-two thousand, four hundred eighty-one".