2506835477 has 2 divisors, whose sum is σ = 2506835478. Its totient is φ = 2506835476.

The previous prime is 2506835473. The next prime is 2506835531. The reversal of 2506835477 is 7745386052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1673300836 + 833534641 = 40906^2 + 28871^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506835477 - 2² = 2506835473 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2506835473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253417738 + 1253417739.

It is an arithmetic number, because the mean of its divisors is an integer number (1253417739).

Almost surely, 2^2506835477 is an apocalyptic number.

It is an amenable number.

2506835477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506835477 is an equidigital number, since it uses as much as digits as its factorization.

2506835477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The square root of 2506835477 is about 50068.3081100211. The cubic root of 2506835477 is about 1358.4446385947. Note that the first 3 decimals are identical.

The spelling of 2506835477 in words is "two billion, five hundred six million, eight hundred thirty-five thousand, four hundred seventy-seven".