25251433454053 has 4 divisors (see below), whose sum is σ = 25379613319500. Its totient is φ = 25123253588608.

The previous prime is 25251433454047. The next prime is 25251433454069. The reversal of 25251433454053 is 35045433415252.

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 18156998776609 + 7094434677444 = 4261103^2 + 2663538^2 .

It is a cyclic number.

It is not a de Polignac number, because 25251433454053 - 2²¹ = 25251431356901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25251433453994 and 25251433454012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25251433454033) 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, 64089932428 + ... + 64089932821.

It is an arithmetic number, because the mean of its divisors is an integer number (6344903329875).

Almost surely, 2^{25251433454053} is an apocalyptic number.

It is an amenable number.

25251433454053 is a deficient number, since it is larger than the sum of its proper divisors (128179865447).

25251433454053 is a wasteful number, since it uses less digits than its factorization.

25251433454053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128179865446.

The product of its (nonzero) digits is 4320000, while the sum is 46.

The spelling of 25251433454053 in words is "twenty-five trillion, two hundred fifty-one billion, four hundred thirty-three million, four hundred fifty-four thousand, fifty-three".