27150401 has 2 divisors, whose sum is σ = 27150402. Its totient is φ = 27150400.

The previous prime is 27150391. The next prime is 27150407. The reversal of 27150401 is 10405172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18879025 + 8271376 = 4345^2 + 2876^2 .

It is a cyclic number.

It is not a de Polignac number, because 27150401 - 2¹⁴ = 27134017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27150407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13575200 + 13575201.

It is an arithmetic number, because the mean of its divisors is an integer number (13575201).

Almost surely, 2^27150401 is an apocalyptic number.

It is an amenable number.

27150401 is a deficient number, since it is larger than the sum of its proper divisors (1).

27150401 is an equidigital number, since it uses as much as digits as its factorization.

27150401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 27150401 is about 5210.6046674067. The cubic root of 27150401 is about 300.5560096151.

Adding to 27150401 its reverse (10405172), we get a palindrome (37555573).

The spelling of 27150401 in words is "twenty-seven million, one hundred fifty thousand, four hundred one".