425154361277 has 2 divisors, whose sum is σ = 425154361278. Its totient is φ = 425154361276.

The previous prime is 425154361237. The next prime is 425154361279. The reversal of 425154361277 is 772163451524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413209838596 + 11944522681 = 642814^2 + 109291^2 .

It is a cyclic number.

It is not a de Polignac number, because 425154361277 - 2²⁶ = 425087252413 is a prime.

Together with 425154361279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425154361279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212577180638 + 212577180639.

It is an arithmetic number, because the mean of its divisors is an integer number (212577180639).

Almost surely, 2^425154361277 is an apocalyptic number.

It is an amenable number.

425154361277 is a deficient number, since it is larger than the sum of its proper divisors (1).

425154361277 is an equidigital number, since it uses as much as digits as its factorization.

425154361277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 47.

The spelling of 425154361277 in words is "four hundred twenty-five billion, one hundred fifty-four million, three hundred sixty-one thousand, two hundred seventy-seven".