620040151 has 2 divisors, whose sum is σ = 620040152. Its totient is φ = 620040150.

The previous prime is 620040139. The next prime is 620040227. The reversal of 620040151 is 151040026.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620040151 - 2⁵ = 620040119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620010151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310020075 + 310020076.

It is an arithmetic number, because the mean of its divisors is an integer number (310020076).

Almost surely, 2^620040151 is an apocalyptic number.

620040151 is a deficient number, since it is larger than the sum of its proper divisors (1).

620040151 is an equidigital number, since it uses as much as digits as its factorization.

620040151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 620040151 is about 24900.6054344066. The cubic root of 620040151 is about 852.7203048308.

Adding to 620040151 its reverse (151040026), we get a palindrome (771080177).

The spelling of 620040151 in words is "six hundred twenty million, forty thousand, one hundred fifty-one".