1975252438 has 8 divisors (see below), whose sum is σ = 2990061360. Its totient is φ = 978565320.

The previous prime is 1975252427. The next prime is 1975252439. The reversal of 1975252438 is 8342525791.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1975252439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4530178 + ... + 4530613.

It is an arithmetic number, because the mean of its divisors is an integer number (373757670).

Almost surely, 2^1975252438 is an apocalyptic number.

1975252438 is a deficient number, since it is larger than the sum of its proper divisors (1014808922).

1975252438 is a wasteful number, since it uses less digits than its factorization.

1975252438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9060902.

The product of its digits is 604800, while the sum is 46.

The square root of 1975252438 is about 44443.8121452244. The cubic root of 1975252438 is about 1254.7028048195.

The spelling of 1975252438 in words is "one billion, nine hundred seventy-five million, two hundred fifty-two thousand, four hundred thirty-eight".