620601135 has 48 divisors (see below), whose sum is σ = 1247382528. Its totient is φ = 257906880.

The previous prime is 620601109. The next prime is 620601151. The reversal of 620601135 is 531106026.

It is not a de Polignac number, because 620601135 - 2⁶ = 620601071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11719 + ... + 37128.

It is an arithmetic number, because the mean of its divisors is an integer number (25987136).

Almost surely, 2^620601135 is an apocalyptic number.

620601135 is an abundant number, since it is smaller than the sum of its proper divisors (626781393).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620601135 is a wasteful number, since it uses less digits than its factorization.

620601135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48884 (or 48873 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 620601135 is about 24911.8673527297. The cubic root of 620601135 is about 852.9773947694.

The spelling of 620601135 in words is "six hundred twenty million, six hundred one thousand, one hundred thirty-five".