25210505323 has 2 divisors, whose sum is σ = 25210505324. Its totient is φ = 25210505322.

The previous prime is 25210505311. The next prime is 25210505363. The reversal of 25210505323 is 32350501252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25210505323 - 2²¹ = 25208408171 is a prime.

It is a super-2 number, since 2×25210505323² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25210505291 and 25210505300.

It is not a weakly prime, because it can be changed into another prime (25210505363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12605252661 + 12605252662.

It is an arithmetic number, because the mean of its divisors is an integer number (12605252662).

Almost surely, 2^25210505323 is an apocalyptic number.

25210505323 is a deficient number, since it is larger than the sum of its proper divisors (1).

25210505323 is an equidigital number, since it uses as much as digits as its factorization.

25210505323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 25210505323 in words is "twenty-five billion, two hundred ten million, five hundred five thousand, three hundred twenty-three".