275597401 has 2 divisors, whose sum is σ = 275597402. Its totient is φ = 275597400.

The previous prime is 275597393. The next prime is 275597417. The reversal of 275597401 is 104795572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217533001 + 58064400 = 14749^2 + 7620^2 .

It is a cyclic number.

It is not a de Polignac number, because 275597401 - 2³ = 275597393 is a prime.

It is not a weakly prime, because it can be changed into another prime (275597461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137798700 + 137798701.

It is an arithmetic number, because the mean of its divisors is an integer number (137798701).

Almost surely, 2^275597401 is an apocalyptic number.

It is an amenable number.

275597401 is a deficient number, since it is larger than the sum of its proper divisors (1).

275597401 is an equidigital number, since it uses as much as digits as its factorization.

275597401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 275597401 is about 16601.1264979218. The cubic root of 275597401 is about 650.7662765676.

The spelling of 275597401 in words is "two hundred seventy-five million, five hundred ninety-seven thousand, four hundred one".