250025403542513 has 4 divisors (see below), whose sum is σ = 258646969181940. Its totient is φ = 241403837903088.

The previous prime is 250025403542503. The next prime is 250025403542521. The reversal of 250025403542513 is 315245304520052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99811528887184 + 150213874655329 = 9990572^2 + 12256177^2 .

It is a cyclic number.

It is not a de Polignac number, because 250025403542513 - 2⁶ = 250025403542449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250025403542503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4310782819670 + ... + 4310782819727.

It is an arithmetic number, because the mean of its divisors is an integer number (64661742295485).

Almost surely, 2^{250025403542513} is an apocalyptic number.

It is an amenable number.

250025403542513 is a deficient number, since it is larger than the sum of its proper divisors (8621565639427).

250025403542513 is an equidigital number, since it uses as much as digits as its factorization.

250025403542513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621565639426.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 250025403542513 in words is "two hundred fifty trillion, twenty-five billion, four hundred three million, five hundred forty-two thousand, five hundred thirteen".