620062291 has 2 divisors, whose sum is σ = 620062292. Its totient is φ = 620062290.

The previous prime is 620062249. The next prime is 620062307. The reversal of 620062291 is 192260026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620062291 - 2¹⁷ = 619931219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (620032291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310031145 + 310031146.

It is an arithmetic number, because the mean of its divisors is an integer number (310031146).

Almost surely, 2^620062291 is an apocalyptic number.

620062291 is a deficient number, since it is larger than the sum of its proper divisors (1).

620062291 is an equidigital number, since it uses as much as digits as its factorization.

620062291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 620062291 is about 24901.0499979419. The cubic root of 620062291 is about 852.7304541751.

The spelling of 620062291 in words is "six hundred twenty million, sixty-two thousand, two hundred ninety-one".