541400161 has 2 divisors, whose sum is σ = 541400162. Its totient is φ = 541400160.

The previous prime is 541400137. The next prime is 541400177. The reversal of 541400161 is 161004145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418611600 + 122788561 = 20460^2 + 11081^2 .

It is a cyclic number.

It is not a de Polignac number, because 541400161 - 2⁵ = 541400129 is a prime.

It is a super-2 number, since 2×541400161² = 586228268661651842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (541410161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270700080 + 270700081.

It is an arithmetic number, because the mean of its divisors is an integer number (270700081).

Almost surely, 2^541400161 is an apocalyptic number.

It is an amenable number.

541400161 is a deficient number, since it is larger than the sum of its proper divisors (1).

541400161 is an equidigital number, since it uses as much as digits as its factorization.

541400161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 541400161 is about 23268.0072417042. The cubic root of 541400161 is about 815.0284963752.

The spelling of 541400161 in words is "five hundred forty-one million, four hundred thousand, one hundred sixty-one".