425450477 has 2 divisors, whose sum is σ = 425450478. Its totient is φ = 425450476.

The previous prime is 425450419. The next prime is 425450491. The reversal of 425450477 is 774054524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400240036 + 25210441 = 20006^2 + 5021^2 .

It is a cyclic number.

It is not a de Polignac number, because 425450477 - 2²⁸ = 157015021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425450477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425450407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212725238 + 212725239.

It is an arithmetic number, because the mean of its divisors is an integer number (212725239).

Almost surely, 2^425450477 is an apocalyptic number.

It is an amenable number.

425450477 is a deficient number, since it is larger than the sum of its proper divisors (1).

425450477 is an equidigital number, since it uses as much as digits as its factorization.

425450477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156800, while the sum is 38.

The square root of 425450477 is about 20626.4509065423. The cubic root of 425450477 is about 752.1128434526.

The spelling of 425450477 in words is "four hundred twenty-five million, four hundred fifty thousand, four hundred seventy-seven".