384742525 has 6 divisors (see below), whose sum is σ = 477080762. Its totient is φ = 307794000.

The previous prime is 384742493. The next prime is 384742541. The reversal of 384742525 is 525247483.

It can be written as a sum of positive squares in 3 ways, for example, as 65512836 + 319229689 = 8094^2 + 17867^2 .

It is not a de Polignac number, because 384742525 - 2⁵ = 384742493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7694826 + ... + 7694875.

Almost surely, 2^384742525 is an apocalyptic number.

It is an amenable number.

384742525 is a deficient number, since it is larger than the sum of its proper divisors (92338237).

384742525 is a wasteful number, since it uses less digits than its factorization.

384742525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15389711 (or 15389706 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

The square root of 384742525 is about 19614.8547024952. The cubic root of 384742525 is about 727.3164276653.

The spelling of 384742525 in words is "three hundred eighty-four million, seven hundred forty-two thousand, five hundred twenty-five".