250030402124561 has 2 divisors, whose sum is σ = 250030402124562. Its totient is φ = 250030402124560.

The previous prime is 250030402124543. The next prime is 250030402124567. The reversal of 250030402124561 is 165421204030052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242964077163025 + 7066324961536 = 15587305^2 + 2658256^2 .

It is a cyclic number.

It is not a de Polignac number, because 250030402124561 - 2¹⁴ = 250030402108177 is a prime.

It is not a weakly prime, because it can be changed into another prime (250030402124567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125015201062280 + 125015201062281.

It is an arithmetic number, because the mean of its divisors is an integer number (125015201062281).

Almost surely, 2^{250030402124561} is an apocalyptic number.

It is an amenable number.

250030402124561 is a deficient number, since it is larger than the sum of its proper divisors (1).

250030402124561 is an equidigital number, since it uses as much as digits as its factorization.

250030402124561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 250030402124561 in words is "two hundred fifty trillion, thirty billion, four hundred two million, one hundred twenty-four thousand, five hundred sixty-one".