400341253 has 8 divisors (see below), whose sum is σ = 440310528. Its totient is φ = 361682544.

The previous prime is 400341199. The next prime is 400341283. The reversal of 400341253 is 352143004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400341253 is a prime.

It is a super-2 number, since 2×400341253² = 320546237707220018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400341283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327001 + ... + 328222.

It is an arithmetic number, because the mean of its divisors is an integer number (55038816).

Almost surely, 2^400341253 is an apocalyptic number.

It is an amenable number.

400341253 is a deficient number, since it is larger than the sum of its proper divisors (39969275).

400341253 is a wasteful number, since it uses less digits than its factorization.

400341253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655283.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 400341253 is about 20008.5295061881. The cubic root of 400341253 is about 737.0157713039.

Adding to 400341253 its reverse (352143004), we get a palindrome (752484257).

The spelling of 400341253 in words is "four hundred million, three hundred forty-one thousand, two hundred fifty-three".