1057925394 has 32 divisors (see below), whose sum is σ = 2432016000. Its totient is φ = 340481232.

The previous prime is 1057925383. The next prime is 1057925441. The reversal of 1057925394 is 4935297501.

It is a happy number.

1057925394 is a `hidden beast` number, since 105 + 7 + 9 + 2 + 539 + 4 = 666.

1057925394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1057925394² = 2238412278540110472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336214 + ... + 339345.

It is an arithmetic number, because the mean of its divisors is an integer number (76000500).

Almost surely, 2^1057925394 is an apocalyptic number.

1057925394 is an abundant number, since it is smaller than the sum of its proper divisors (1374090606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057925394 is a wasteful number, since it uses less digits than its factorization.

1057925394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675599 (or 675593 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 1057925394 is about 32525.7650793951. The cubic root of 1057925394 is about 1018.9472009182.

The spelling of 1057925394 in words is "one billion, fifty-seven million, nine hundred twenty-five thousand, three hundred ninety-four".