620426245 has 8 divisors (see below), whose sum is σ = 753482016. Its totient is φ = 490360656.

The previous prime is 620426243. The next prime is 620426269. The reversal of 620426245 is 542624026.

620426245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620426245 - 2¹ = 620426243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620426243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747087 + ... + 747916.

It is an arithmetic number, because the mean of its divisors is an integer number (94185252).

Almost surely, 2^620426245 is an apocalyptic number.

It is an amenable number.

620426245 is a deficient number, since it is larger than the sum of its proper divisors (133055771).

620426245 is a wasteful number, since it uses less digits than its factorization.

620426245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495091.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 620426245 is about 24908.3569309579. The cubic root of 620426245 is about 852.8972621241.

The spelling of 620426245 in words is "six hundred twenty million, four hundred twenty-six thousand, two hundred forty-five".