659257242 has 32 divisors (see below), whose sum is σ = 1516867584. Its totient is φ = 187110000.

The previous prime is 659257241. The next prime is 659257243. The reversal of 659257242 is 242752956.

It is an interprime number because it is at equal distance from previous prime (659257241) and next prime (659257243).

It is a super-2 number, since 2×659257242² = 869240222258893128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 659257194 and 659257203.

It is not an unprimeable number, because it can be changed into a prime (659257241) 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, 45634 + ... + 58317.

It is an arithmetic number, because the mean of its divisors is an integer number (47402112).

Almost surely, 2^659257242 is an apocalyptic number.

659257242 is an abundant number, since it is smaller than the sum of its proper divisors (857610342).

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

659257242 is a wasteful number, since it uses less digits than its factorization.

659257242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104114.

The product of its digits is 302400, while the sum is 42.

The square root of 659257242 is about 25676.0051799340. The cubic root of 659257242 is about 870.3320360313.

The spelling of 659257242 in words is "six hundred fifty-nine million, two hundred fifty-seven thousand, two hundred forty-two".