1005210245401 has 2 divisors, whose sum is σ = 1005210245402. Its totient is φ = 1005210245400.

The previous prime is 1005210245383. The next prime is 1005210245407. The reversal of 1005210245401 is 1045420125001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883863219600 + 121347025801 = 940140^2 + 348349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005210245401 - 2⁹ = 1005210244889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005210245407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502605122700 + 502605122701.

It is an arithmetic number, because the mean of its divisors is an integer number (502605122701).

Almost surely, 2^{1005210245401} is an apocalyptic number.

It is an amenable number.

1005210245401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005210245401 is an equidigital number, since it uses as much as digits as its factorization.

1005210245401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 1005210245401 in words is "one trillion, five billion, two hundred ten million, two hundred forty-five thousand, four hundred one".