620258487 has 16 divisors (see below), whose sum is σ = 833997312. Its totient is φ = 410024160.

The previous prime is 620258453. The next prime is 620258489. The reversal of 620258487 is 784852026.

It is a happy number.

It is not a de Polignac number, because 620258487 - 2⁶ = 620258423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620258489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296158 + ... + 298244.

It is an arithmetic number, because the mean of its divisors is an integer number (52124832).

Almost surely, 2^620258487 is an apocalyptic number.

620258487 is a deficient number, since it is larger than the sum of its proper divisors (213738825).

620258487 is a wasteful number, since it uses less digits than its factorization.

620258487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 620258487 is about 24904.9891989537. The cubic root of 620258487 is about 852.8203831301.

The spelling of 620258487 in words is "six hundred twenty million, two hundred fifty-eight thousand, four hundred eighty-seven".