620265513 has 8 divisors (see below), whose sum is σ = 945166528. Its totient is φ = 354437424.

The previous prime is 620265509. The next prime is 620265571. The reversal of 620265513 is 315562026.

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

It is not a de Polignac number, because 620265513 - 2² = 620265509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620266513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14768206 + ... + 14768247.

It is an arithmetic number, because the mean of its divisors is an integer number (118145816).

Almost surely, 2^620265513 is an apocalyptic number.

It is an amenable number.

620265513 is a deficient number, since it is larger than the sum of its proper divisors (324901015).

620265513 is a wasteful number, since it uses less digits than its factorization.

620265513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29536463.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 620265513 is about 24905.1302546283. The cubic root of 620265513 is about 852.8236032357.

The spelling of 620265513 in words is "six hundred twenty million, two hundred sixty-five thousand, five hundred thirteen".