545392501 has 2 divisors, whose sum is σ = 545392502. Its totient is φ = 545392500.

The previous prime is 545392457. The next prime is 545392567. The reversal of 545392501 is 105293545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508547601 + 36844900 = 22551^2 + 6070^2 .

It is a cyclic number.

It is not a de Polignac number, because 545392501 - 2²⁵ = 511838069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545392571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272696250 + 272696251.

It is an arithmetic number, because the mean of its divisors is an integer number (272696251).

Almost surely, 2^545392501 is an apocalyptic number.

It is an amenable number.

545392501 is a deficient number, since it is larger than the sum of its proper divisors (1).

545392501 is an equidigital number, since it uses as much as digits as its factorization.

545392501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 545392501 is about 23353.6399946561. The cubic root of 545392501 is about 817.0269598543.

The spelling of 545392501 in words is "five hundred forty-five million, three hundred ninety-two thousand, five hundred one".