237728401 has 2 divisors, whose sum is σ = 237728402. Its totient is φ = 237728400.

The previous prime is 237728389. The next prime is 237728411. The reversal of 237728401 is 104827732.

237728401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173712400 + 64016001 = 13180^2 + 8001^2 .

It is a cyclic number.

It is not a de Polignac number, because 237728401 - 2¹³ = 237720209 is a prime.

It is not a weakly prime, because it can be changed into another prime (237728411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118864200 + 118864201.

It is an arithmetic number, because the mean of its divisors is an integer number (118864201).

Almost surely, 2^237728401 is an apocalyptic number.

It is an amenable number.

237728401 is a deficient number, since it is larger than the sum of its proper divisors (1).

237728401 is an equidigital number, since it uses as much as digits as its factorization.

237728401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 237728401 is about 15418.4435336385. The cubic root of 237728401 is about 619.4796197199.

The spelling of 237728401 in words is "two hundred thirty-seven million, seven hundred twenty-eight thousand, four hundred one".