1373580541 has 2 divisors, whose sum is σ = 1373580542. Its totient is φ = 1373580540.

The previous prime is 1373580491. The next prime is 1373580553. The reversal of 1373580541 is 1450853731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1233063225 + 140517316 = 35115^2 + 11854^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373580541 - 2¹⁹ = 1373056253 is a prime.

It is a super-2 number, since 2×1373580541² = 3773447005227705362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1373580541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373580641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686790270 + 686790271.

It is an arithmetic number, because the mean of its divisors is an integer number (686790271).

Almost surely, 2^1373580541 is an apocalyptic number.

It is an amenable number.

1373580541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373580541 is an equidigital number, since it uses as much as digits as its factorization.

1373580541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1373580541 is about 37061.8475119630. The cubic root of 1373580541 is about 1111.6072652257.

The spelling of 1373580541 in words is "one billion, three hundred seventy-three million, five hundred eighty thousand, five hundred forty-one".