378253015 has 8 divisors (see below), whose sum is σ = 518747040. Its totient is φ = 259373472.

The previous prime is 378253013. The next prime is 378253019. The reversal of 378253015 is 510352873.

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

It is a cyclic number.

It is not a de Polignac number, because 378253015 - 2¹ = 378253013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378253013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5403580 + ... + 5403649.

It is an arithmetic number, because the mean of its divisors is an integer number (64843380).

Almost surely, 2^378253015 is an apocalyptic number.

378253015 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

378253015 is a deficient number, since it is larger than the sum of its proper divisors (140494025).

378253015 is a wasteful number, since it uses less digits than its factorization.

378253015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10807241.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 378253015 is about 19448.7278504276. The cubic root of 378253015 is about 723.2039665907.

The spelling of 378253015 in words is "three hundred seventy-eight million, two hundred fifty-three thousand, fifteen".