254252623397 has 2 divisors, whose sum is σ = 254252623398. Its totient is φ = 254252623396.

The previous prime is 254252623393. The next prime is 254252623463. The reversal of 254252623397 is 793326252452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251874500641 + 2378122756 = 501871^2 + 48766^2 .

It is a cyclic number.

It is not a de Polignac number, because 254252623397 - 2² = 254252623393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254252623393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127126311698 + 127126311699.

It is an arithmetic number, because the mean of its divisors is an integer number (127126311699).

Almost surely, 2^254252623397 is an apocalyptic number.

It is an amenable number.

254252623397 is a deficient number, since it is larger than the sum of its proper divisors (1).

254252623397 is an equidigital number, since it uses as much as digits as its factorization.

254252623397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 50.

The spelling of 254252623397 in words is "two hundred fifty-four billion, two hundred fifty-two million, six hundred twenty-three thousand, three hundred ninety-seven".