1401183397 has 2 divisors, whose sum is σ = 1401183398. Its totient is φ = 1401183396.

The previous prime is 1401183349. The next prime is 1401183439. The reversal of 1401183397 is 7933811041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1112489316 + 288694081 = 33354^2 + 16991^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401183397 - 2¹⁹ = 1400659109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401183307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700591698 + 700591699.

It is an arithmetic number, because the mean of its divisors is an integer number (700591699).

Almost surely, 2^1401183397 is an apocalyptic number.

It is an amenable number.

1401183397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401183397 is an equidigital number, since it uses as much as digits as its factorization.

1401183397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1401183397 is about 37432.3843349579. The cubic root of 1401183397 is about 1119.0040564392.

The spelling of 1401183397 in words is "one billion, four hundred one million, one hundred eighty-three thousand, three hundred ninety-seven".