545620037 has 2 divisors, whose sum is σ = 545620038. Its totient is φ = 545620036.

The previous prime is 545620013. The next prime is 545620129. The reversal of 545620037 is 730026545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466516801 + 79103236 = 21599^2 + 8894^2 .

It is a cyclic number.

It is not a de Polignac number, because 545620037 - 2⁶ = 545619973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545619985 and 545620012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545623037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272810018 + 272810019.

It is an arithmetic number, because the mean of its divisors is an integer number (272810019).

Almost surely, 2^545620037 is an apocalyptic number.

It is an amenable number.

545620037 is a deficient number, since it is larger than the sum of its proper divisors (1).

545620037 is an equidigital number, since it uses as much as digits as its factorization.

545620037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 545620037 is about 23358.5110184703. The cubic root of 545620037 is about 817.1405643986.

The spelling of 545620037 in words is "five hundred forty-five million, six hundred twenty thousand, thirty-seven".