546902621 has 2 divisors, whose sum is σ = 546902622. Its totient is φ = 546902620.

The previous prime is 546902611. The next prime is 546902623. The reversal of 546902621 is 126209645.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303979225 + 242923396 = 17435^2 + 15586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546902621 is a prime.

Together with 546902623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546902623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273451310 + 273451311.

It is an arithmetic number, because the mean of its divisors is an integer number (273451311).

Almost surely, 2^546902621 is an apocalyptic number.

It is an amenable number.

546902621 is a deficient number, since it is larger than the sum of its proper divisors (1).

546902621 is an equidigital number, since it uses as much as digits as its factorization.

546902621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 546902621 is about 23385.9492217015. The cubic root of 546902621 is about 817.7803449531.

The spelling of 546902621 in words is "five hundred forty-six million, nine hundred two thousand, six hundred twenty-one".