1357425 has 24 divisors (see below), whose sum is σ = 2494880. Its totient is φ = 723600.

The previous prime is 1357423. The next prime is 1357427. The reversal of 1357425 is 5247531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1357423) and next prime (1357427).

It is not a de Polignac number, because 1357425 - 2¹ = 1357423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1357423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331 + ... + 1680.

2^1357425 is an apocalyptic number.

1357425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1357425 is a deficient number, since it is larger than the sum of its proper divisors (1137455).

1357425 is a wasteful number, since it uses less digits than its factorization.

1357425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2019 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1357425 is about 1165.0858337479. The cubic root of 1357425 is about 110.7231963494.

The spelling of 1357425 in words is "one million, three hundred fifty-seven thousand, four hundred twenty-five".