250066557541 has 2 divisors, whose sum is σ = 250066557542. Its totient is φ = 250066557540.

The previous prime is 250066557527. The next prime is 250066557581. The reversal of 250066557541 is 145755660052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131544036100 + 118522521441 = 362690^2 + 344271^2 .

It is a cyclic number.

It is not a de Polignac number, because 250066557541 - 2²⁵ = 250033003109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 250066557491 and 250066557500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250066557581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125033278770 + 125033278771.

It is an arithmetic number, because the mean of its divisors is an integer number (125033278771).

Almost surely, 2^250066557541 is an apocalyptic number.

It is an amenable number.

250066557541 is a deficient number, since it is larger than the sum of its proper divisors (1).

250066557541 is an equidigital number, since it uses as much as digits as its factorization.

250066557541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 250066557541 in words is "two hundred fifty billion, sixty-six million, five hundred fifty-seven thousand, five hundred forty-one".