1965250238 has 8 divisors (see below), whose sum is σ = 3369000432. Its totient is φ = 842250096.

The previous prime is 1965250219. The next prime is 1965250277. The reversal of 1965250238 is 8320525691.

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

It is a junction number, because it is equal to n+sod(n) for n = 1965250195 and 1965250204.

It is a congruent number.

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, 70187495 + ... + 70187522.

It is an arithmetic number, because the mean of its divisors is an integer number (421125054).

Almost surely, 2^1965250238 is an apocalyptic number.

1965250238 is a deficient number, since it is larger than the sum of its proper divisors (1403750194).

1965250238 is a wasteful number, since it uses less digits than its factorization.

1965250238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140375026.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 1965250238 is about 44331.1429809790. The cubic root of 1965250238 is about 1252.5813829401.

The spelling of 1965250238 in words is "one billion, nine hundred sixty-five million, two hundred fifty thousand, two hundred thirty-eight".