1025407 has 2 divisors, whose sum is σ = 1025408. Its totient is φ = 1025406.

The previous prime is 1025393. The next prime is 1025413. The reversal of 1025407 is 7045201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025407 - 2⁷ = 1025279 is a prime.

It is an Ulam number.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512703 + 512704.

It is an arithmetic number, because the mean of its divisors is an integer number (512704).

2^1025407 is an apocalyptic number.

1025407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025407 is an equidigital number, since it uses as much as digits as its factorization.

1025407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 1025407 is about 1012.6238195895. The cubic root of 1025407 is about 100.8398271588.

The spelling of 1025407 in words is "one million, twenty-five thousand, four hundred seven".