401252453 has 16 divisors (see below), whose sum is σ = 473838336. Its totient is φ = 332666880.

The previous prime is 401252443. The next prime is 401252483. The reversal of 401252453 is 354252104.

It is a happy number.

It is not a de Polignac number, because 401252453 - 2¹⁸ = 400990309 is a prime.

It is a super-2 number, since 2×401252453² = 322007062077034418, 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 (401252413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18725 + ... + 33957.

It is an arithmetic number, because the mean of its divisors is an integer number (29614896).

Almost surely, 2^401252453 is an apocalyptic number.

It is an amenable number.

401252453 is a deficient number, since it is larger than the sum of its proper divisors (72585883).

401252453 is a wasteful number, since it uses less digits than its factorization.

401252453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15364.

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

The square root of 401252453 is about 20031.2868533202. The cubic root of 401252453 is about 737.5745112115.

It can be divided in two parts, 4012 and 52453, that added together give a palindrome (56465).

The spelling of 401252453 in words is "four hundred one million, two hundred fifty-two thousand, four hundred fifty-three".