1057425 has 24 divisors (see below), whose sum is σ = 1827264. Its totient is φ = 538560.

The previous prime is 1057421. The next prime is 1057477. The reversal of 1057425 is 5247501.

It is not a de Polignac number, because 1057425 - 2² = 1057421 is a prime.

It is a super-2 number, since 2×1057425² = 2236295261250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057395 and 1057404.

It is not an unprimeable number, because it can be changed into a prime (1057421) 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, 1419 + ... + 2031.

It is an arithmetic number, because the mean of its divisors is an integer number (76136).

2^1057425 is an apocalyptic number.

1057425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1057425 is a deficient number, since it is larger than the sum of its proper divisors (769839).

1057425 is a wasteful number, since it uses less digits than its factorization.

1057425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 1057425 is about 1028.3117231657. The cubic root of 1057425 is about 101.8786523086.

The spelling of 1057425 in words is "one million, fifty-seven thousand, four hundred twenty-five".