1541386361 has 2 divisors, whose sum is σ = 1541386362. Its totient is φ = 1541386360.

The previous prime is 1541386321. The next prime is 1541386373. The reversal of 1541386361 is 1636831451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1058265961 + 483120400 = 32531^2 + 21980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1541386361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1541386321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770693180 + 770693181.

It is an arithmetic number, because the mean of its divisors is an integer number (770693181).

Almost surely, 2^1541386361 is an apocalyptic number.

It is an amenable number.

1541386361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541386361 is an equidigital number, since it uses as much as digits as its factorization.

1541386361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 1541386361 is about 39260.4936418278. The cubic root of 1541386361 is about 1155.1467766968.

The spelling of 1541386361 in words is "one billion, five hundred forty-one million, three hundred eighty-six thousand, three hundred sixty-one".