1054381397 has 2 divisors, whose sum is σ = 1054381398. Its totient is φ = 1054381396.

The previous prime is 1054381373. The next prime is 1054381423. The reversal of 1054381397 is 7931834501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 981005041 + 73376356 = 31321^2 + 8566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054381397 is a prime.

It is a super-2 number, since 2×1054381397² = 2223440260679343218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054381357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527190698 + 527190699.

It is an arithmetic number, because the mean of its divisors is an integer number (527190699).

Almost surely, 2^1054381397 is an apocalyptic number.

It is an amenable number.

1054381397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054381397 is an equidigital number, since it uses as much as digits as its factorization.

1054381397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1054381397 is about 32471.2395359339. The cubic root of 1054381397 is about 1017.8081206797.

The spelling of 1054381397 in words is "one billion, fifty-four million, three hundred eighty-one thousand, three hundred ninety-seven".