378562101 has 4 divisors (see below), whose sum is σ = 504749472. Its totient is φ = 252374732.

The previous prime is 378562081. The next prime is 378562109. The reversal of 378562101 is 101265873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 378562101 - 2¹¹ = 378560053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378562109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63093681 + ... + 63093686.

It is an arithmetic number, because the mean of its divisors is an integer number (126187368).

Almost surely, 2^378562101 is an apocalyptic number.

It is an amenable number.

378562101 is a deficient number, since it is larger than the sum of its proper divisors (126187371).

378562101 is a wasteful number, since it uses less digits than its factorization.

378562101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126187370.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 378562101 is about 19456.6724030601. The cubic root of 378562101 is about 723.4008994674.

The spelling of 378562101 in words is "three hundred seventy-eight million, five hundred sixty-two thousand, one hundred one".