401425253 has 4 divisors (see below), whose sum is σ = 410760768. Its totient is φ = 392089740.

The previous prime is 401425243. The next prime is 401425289. The reversal of 401425253 is 352524104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401425253 is a prime.

It is a super-2 number, since 2×401425253² = 322284467492228018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401425243) 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 in 3 ways as a sum of consecutive naturals, for example, 4667693 + ... + 4667778.

It is an arithmetic number, because the mean of its divisors is an integer number (102690192).

Almost surely, 2^401425253 is an apocalyptic number.

401425253 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

401425253 is a deficient number, since it is larger than the sum of its proper divisors (9335515).

401425253 is an equidigital number, since it uses as much as digits as its factorization.

401425253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335514.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 401425253 is about 20035.5996416379. The cubic root of 401425253 is about 737.6803752239.

Adding to 401425253 its reverse (352524104), we get a palindrome (753949357).

The spelling of 401425253 in words is "four hundred one million, four hundred twenty-five thousand, two hundred fifty-three".