1000401522353 has 4 divisors (see below), whose sum is σ = 1003188156480. Its totient is φ = 997614888228.

The previous prime is 1000401522343. The next prime is 1000401522359. The reversal of 1000401522353 is 3532251040001.

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 not a de Polignac number, because 1000401522353 - 2¹² = 1000401518257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000401522359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393316525 + ... + 1393317242.

It is an arithmetic number, because the mean of its divisors is an integer number (250797039120).

Almost surely, 2^{1000401522353} is an apocalyptic number.

It is an amenable number.

1000401522353 is a deficient number, since it is larger than the sum of its proper divisors (2786634127).

1000401522353 is an equidigital number, since it uses as much as digits as its factorization.

1000401522353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786634126.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 1000401522353 its reverse (3532251040001), we get a palindrome (4532652562354).

The spelling of 1000401522353 in words is "one trillion, four hundred one million, five hundred twenty-two thousand, three hundred fifty-three".