378744525 has 24 divisors (see below), whose sum is σ = 695768960. Its totient is φ = 201996720.

The previous prime is 378744523. The next prime is 378744539. The reversal of 378744525 is 525447873.

378744525 is a `hidden beast` number, since 3 + 7 + 87 + 44 + 525 = 666.

It is not a de Polignac number, because 378744525 - 2¹ = 378744523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378744523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279877 + ... + 281226.

Almost surely, 2^378744525 is an apocalyptic number.

It is an amenable number.

378744525 is a deficient number, since it is larger than the sum of its proper divisors (317024435).

378744525 is a wasteful number, since it uses less digits than its factorization.

378744525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561122 (or 561111 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 378744525 is about 19461.3597931902. The cubic root of 378744525 is about 723.5170798717.

The spelling of 378744525 in words is "three hundred seventy-eight million, seven hundred forty-four thousand, five hundred twenty-five".