401420653 has 2 divisors, whose sum is σ = 401420654. Its totient is φ = 401420652.

The previous prime is 401420623. The next prime is 401420683. The reversal of 401420653 is 356024104.

It is a balanced prime because it is at equal distance from previous prime (401420623) and next prime (401420683).

It can be written as a sum of positive squares in only one way, i.e., 266930244 + 134490409 = 16338^2 + 11597^2 .

It is a cyclic number.

It is not a de Polignac number, because 401420653 - 2²⁵ = 367866221 is a prime.

It is a super-2 number, since 2×401420653² = 322277081309892818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401420623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200710326 + 200710327.

It is an arithmetic number, because the mean of its divisors is an integer number (200710327).

Almost surely, 2^401420653 is an apocalyptic number.

It is an amenable number.

401420653 is a deficient number, since it is larger than the sum of its proper divisors (1).

401420653 is an equidigital number, since it uses as much as digits as its factorization.

401420653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 401420653 is about 20035.4848456432. The cubic root of 401420653 is about 737.6775574784.

Adding to 401420653 its reverse (356024104), we get a palindrome (757444757).

The spelling of 401420653 in words is "four hundred one million, four hundred twenty thousand, six hundred fifty-three".