754171321 has 2 divisors, whose sum is σ = 754171322. Its totient is φ = 754171320.

The previous prime is 754171307. The next prime is 754171337. The reversal of 754171321 is 123171457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 679175721 + 74995600 = 26061^2 + 8660^2 .

It is a cyclic number.

It is not a de Polignac number, because 754171321 - 2¹⁹ = 753647033 is a prime.

It is not a weakly prime, because it can be changed into another prime (754175321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377085660 + 377085661.

It is an arithmetic number, because the mean of its divisors is an integer number (377085661).

Almost surely, 2^754171321 is an apocalyptic number.

It is an amenable number.

754171321 is a deficient number, since it is larger than the sum of its proper divisors (1).

754171321 is an equidigital number, since it uses as much as digits as its factorization.

754171321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 31.

The square root of 754171321 is about 27462.1798297222. The cubic root of 754171321 is about 910.2415817970.

The spelling of 754171321 in words is "seven hundred fifty-four million, one hundred seventy-one thousand, three hundred twenty-one".