545925025391 has 2 divisors, whose sum is σ = 545925025392. Its totient is φ = 545925025390.

The previous prime is 545925025357. The next prime is 545925025397. The reversal of 545925025391 is 193520529545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545925025391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545925025397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272962512695 + 272962512696.

It is an arithmetic number, because the mean of its divisors is an integer number (272962512696).

Almost surely, 2^545925025391 is an apocalyptic number.

545925025391 is a deficient number, since it is larger than the sum of its proper divisors (1).

545925025391 is an equidigital number, since it uses as much as digits as its factorization.

545925025391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 545925025391 in words is "five hundred forty-five billion, nine hundred twenty-five million, twenty-five thousand, three hundred ninety-one".