425780783 has 2 divisors, whose sum is σ = 425780784. Its totient is φ = 425780782.

The previous prime is 425780743. The next prime is 425780791. The reversal of 425780783 is 387087524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425780783 - 2⁸ = 425780527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425780743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212890391 + 212890392.

It is an arithmetic number, because the mean of its divisors is an integer number (212890392).

Almost surely, 2^425780783 is an apocalyptic number.

425780783 is a deficient number, since it is larger than the sum of its proper divisors (1).

425780783 is an equidigital number, since it uses as much as digits as its factorization.

425780783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 425780783 is about 20634.4562080032. The cubic root of 425780783 is about 752.3074318052.

The spelling of 425780783 in words is "four hundred twenty-five million, seven hundred eighty thousand, seven hundred eighty-three".