1401401527 has 2 divisors, whose sum is σ = 1401401528. Its totient is φ = 1401401526.

The previous prime is 1401401497. The next prime is 1401401627. The reversal of 1401401527 is 7251041041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1401401527 - 2⁷ = 1401401399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401401327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700700763 + 700700764.

It is an arithmetic number, because the mean of its divisors is an integer number (700700764).

Almost surely, 2^1401401527 is an apocalyptic number.

1401401527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401401527 is an equidigital number, since it uses as much as digits as its factorization.

1401401527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1401401527 is about 37435.2978751338. The cubic root of 1401401527 is about 1119.0621206179.

Adding to 1401401527 its reverse (7251041041), we get a palindrome (8652442568).

The spelling of 1401401527 in words is "one billion, four hundred one million, four hundred one thousand, five hundred twenty-seven".