7151401 has 2 divisors, whose sum is σ = 7151402. Its totient is φ = 7151400.

The previous prime is 7151399. The next prime is 7151447. The reversal of 7151401 is 1041517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4946176 + 2205225 = 2224^2 + 1485^2 .

It is an emirp because it is prime and its reverse (1041517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7151401 - 2¹ = 7151399 is a prime.

It is a super-2 number, since 2×7151401² = 102285072525602, which contains 22 as substring.

Together with 7151399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7151801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3575700 + 3575701.

It is an arithmetic number, because the mean of its divisors is an integer number (3575701).

Almost surely, 2^7151401 is an apocalyptic number.

It is an amenable number.

7151401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7151401 is an equidigital number, since it uses as much as digits as its factorization.

7151401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 7151401 is about 2674.2103507391. The cubic root of 7151401 is about 192.6624344378.

Adding to 7151401 its reverse (1041517), we get a palindrome (8192918).

It can be divided in two parts, 715 and 1401, that added together give a square (2116 = 46²).

The spelling of 7151401 in words is "seven million, one hundred fifty-one thousand, four hundred one".