3541265891 has 2 divisors, whose sum is σ = 3541265892. Its totient is φ = 3541265890.

The previous prime is 3541265851. The next prime is 3541265921. The reversal of 3541265891 is 1985621453.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3541265891 - 2¹⁸ = 3541003747 is a prime.

It is a super-2 number, since 2×3541265891² = 25081128221520047762, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3541265821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770632945 + 1770632946.

It is an arithmetic number, because the mean of its divisors is an integer number (1770632946).

Almost surely, 2^3541265891 is an apocalyptic number.

3541265891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3541265891 is an equidigital number, since it uses as much as digits as its factorization.

3541265891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 44.

The square root of 3541265891 is about 59508.5362868219. The cubic root of 3541265891 is about 1524.2382135963.

The spelling of 3541265891 in words is "three billion, five hundred forty-one million, two hundred sixty-five thousand, eight hundred ninety-one".