1371541 has 2 divisors, whose sum is σ = 1371542. Its totient is φ = 1371540.

The previous prime is 1371511. The next prime is 1371551. The reversal of 1371541 is 1451731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1311025 + 60516 = 1145^2 + 246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1371541 is a prime.

It is a super-2 number, since 2×1371541² = 3762249429362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685770 + 685771.

It is an arithmetic number, because the mean of its divisors is an integer number (685771).

2^1371541 is an apocalyptic number.

It is an amenable number.

1371541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371541 is an equidigital number, since it uses as much as digits as its factorization.

1371541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 22.

The square root of 1371541 is about 1171.1280886393. The cubic root of 1371541 is about 111.1056808087.

The spelling of 1371541 in words is "one million, three hundred seventy-one thousand, five hundred forty-one".