250255220477 has 2 divisors, whose sum is σ = 250255220478. Its totient is φ = 250255220476.

The previous prime is 250255220471. The next prime is 250255220531. The reversal of 250255220477 is 774022552052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143600070916 + 106655149561 = 378946^2 + 326581^2 .

It is a cyclic number.

It is not a de Polignac number, because 250255220477 - 2⁸ = 250255220221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250255220471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125127610238 + 125127610239.

It is an arithmetic number, because the mean of its divisors is an integer number (125127610239).

Almost surely, 2^250255220477 is an apocalyptic number.

It is an amenable number.

250255220477 is a deficient number, since it is larger than the sum of its proper divisors (1).

250255220477 is an equidigital number, since it uses as much as digits as its factorization.

250255220477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392000, while the sum is 41.

The spelling of 250255220477 in words is "two hundred fifty billion, two hundred fifty-five million, two hundred twenty thousand, four hundred seventy-seven".