2520143477 has 2 divisors, whose sum is σ = 2520143478. Its totient is φ = 2520143476.

The previous prime is 2520143473. The next prime is 2520143497. The reversal of 2520143477 is 7743410252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1880609956 + 639533521 = 43366^2 + 25289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520143477 - 2² = 2520143473 is a prime.

It is a super-2 number, since 2×2520143477² = 12702246289331299058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520143473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260071738 + 1260071739.

It is an arithmetic number, because the mean of its divisors is an integer number (1260071739).

Almost surely, 2^2520143477 is an apocalyptic number.

It is an amenable number.

2520143477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520143477 is an equidigital number, since it uses as much as digits as its factorization.

2520143477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 2520143477 is about 50201.0306368306. The cubic root of 2520143477 is about 1360.8442489102.

It can be divided in two parts, 252014 and 3477, that multiplied together give a palindrome (876252678).

The spelling of 2520143477 in words is "two billion, five hundred twenty million, one hundred forty-three thousand, four hundred seventy-seven".