1401416251 has 2 divisors, whose sum is σ = 1401416252. Its totient is φ = 1401416250.

The previous prime is 1401416221. The next prime is 1401416281. The reversal of 1401416251 is 1526141041.

It is a balanced prime because it is at equal distance from previous prime (1401416221) and next prime (1401416281).

It is a cyclic number.

It is not a de Polignac number, because 1401416251 - 2¹³ = 1401408059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401416221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700708125 + 700708126.

It is an arithmetic number, because the mean of its divisors is an integer number (700708126).

Almost surely, 2^1401416251 is an apocalyptic number.

1401416251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401416251 is an equidigital number, since it uses as much as digits as its factorization.

1401416251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1401416251 is about 37435.4945339313. The cubic root of 1401416251 is about 1119.0660397928.

Adding to 1401416251 its reverse (1526141041), we get a palindrome (2927557292).

The spelling of 1401416251 in words is "one billion, four hundred one million, four hundred sixteen thousand, two hundred fifty-one".