425321503 has 2 divisors, whose sum is σ = 425321504. Its totient is φ = 425321502.

The previous prime is 425321489. The next prime is 425321527. The reversal of 425321503 is 305123524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425321503 - 2¹³ = 425313311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425321563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212660751 + 212660752.

It is an arithmetic number, because the mean of its divisors is an integer number (212660752).

Almost surely, 2^425321503 is an apocalyptic number.

425321503 is a deficient number, since it is larger than the sum of its proper divisors (1).

425321503 is an equidigital number, since it uses as much as digits as its factorization.

425321503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 425321503 is about 20623.3242470752. The cubic root of 425321503 is about 752.0368355419.

The spelling of 425321503 in words is "four hundred twenty-five million, three hundred twenty-one thousand, five hundred three".