259925242 has 8 divisors (see below), whose sum is σ = 390150432. Its totient is φ = 129875100.

The previous prime is 259925233. The next prime is 259925251. The reversal of 259925242 is 242529952.

It is an interprime number because it is at equal distance from previous prime (259925233) and next prime (259925251).

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

It is a super-2 number, since 2×259925242² = 135122262857517128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 259925195 and 259925204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39984 + ... + 46027.

It is an arithmetic number, because the mean of its divisors is an integer number (48768804).

Almost surely, 2^259925242 is an apocalyptic number.

259925242 is a deficient number, since it is larger than the sum of its proper divisors (130225190).

259925242 is a wasteful number, since it uses less digits than its factorization.

259925242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87524.

The product of its digits is 129600, while the sum is 40.

The square root of 259925242 is about 16122.1971827664. The cubic root of 259925242 is about 638.1892518097.

The spelling of 259925242 in words is "two hundred fifty-nine million, nine hundred twenty-five thousand, two hundred forty-two".