425177897 has 2 divisors, whose sum is σ = 425177898. Its totient is φ = 425177896.

The previous prime is 425177887. The next prime is 425177911. The reversal of 425177897 is 798771524.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254849296 + 170328601 = 15964^2 + 13051^2 .

It is a cyclic number.

It is not a de Polignac number, because 425177897 - 2⁴ = 425177881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (425177807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212588948 + 212588949.

It is an arithmetic number, because the mean of its divisors is an integer number (212588949).

Almost surely, 2^425177897 is an apocalyptic number.

It is an amenable number.

425177897 is a deficient number, since it is larger than the sum of its proper divisors (1).

425177897 is an equidigital number, since it uses as much as digits as its factorization.

425177897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 987840, while the sum is 50.

The square root of 425177897 is about 20619.8423126851. The cubic root of 425177897 is about 751.9521865113.

The spelling of 425177897 in words is "four hundred twenty-five million, one hundred seventy-seven thousand, eight hundred ninety-seven".