25214513305493 has 8 divisors (see below), whose sum is σ = 26704941492312. Its totient is φ = 23724887510016.

The previous prime is 25214513305447. The next prime is 25214513305507. The reversal of 25214513305493 is 39450331541252.

It can be written as a sum of positive squares in 4 ways, for example, as 53635317649 + 25160877987844 = 231593^2 + 5016062^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25214513305493 - 2¹⁰ = 25214513304469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25214513302493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200533130 + ... + 200658827.

It is an arithmetic number, because the mean of its divisors is an integer number (3338117686539).

Almost surely, 2^{25214513305493} is an apocalyptic number.

It is an amenable number.

25214513305493 is a deficient number, since it is larger than the sum of its proper divisors (1490428186819).

25214513305493 is a wasteful number, since it uses less digits than its factorization.

25214513305493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401195671.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 25214513305493 in words is "twenty-five trillion, two hundred fourteen billion, five hundred thirteen million, three hundred five thousand, four hundred ninety-three".