425452493 has 2 divisors, whose sum is σ = 425452494. Its totient is φ = 425452492.

The previous prime is 425452477. The next prime is 425452553. The reversal of 425452493 is 394254524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336282244 + 89170249 = 18338^2 + 9443^2 .

It is a cyclic number.

It is not a de Polignac number, because 425452493 - 2⁴ = 425452477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425452403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212726246 + 212726247.

It is an arithmetic number, because the mean of its divisors is an integer number (212726247).

Almost surely, 2^425452493 is an apocalyptic number.

It is an amenable number.

425452493 is a deficient number, since it is larger than the sum of its proper divisors (1).

425452493 is an equidigital number, since it uses as much as digits as its factorization.

425452493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 38.

The square root of 425452493 is about 20626.4997757739. The cubic root of 425452493 is about 752.1140314147.

The spelling of 425452493 in words is "four hundred twenty-five million, four hundred fifty-two thousand, four hundred ninety-three".