2331552401 has 4 divisors (see below), whose sum is σ = 2352942900. Its totient is φ = 2310161904.

The previous prime is 2331552367. The next prime is 2331552403. The reversal of 2331552401 is 1042551332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1890510400 + 441042001 = 43480^2 + 21001^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331552401 - 2¹⁴ = 2331536017 is a prime.

It is a super-2 number, since 2×2331552401² = 10872273197217729602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331552403) 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, 10695086 + ... + 10695303.

It is an arithmetic number, because the mean of its divisors is an integer number (588235725).

Almost surely, 2^2331552401 is an apocalyptic number.

It is an amenable number.

2331552401 is a deficient number, since it is larger than the sum of its proper divisors (21390499).

2331552401 is a wasteful number, since it uses less digits than its factorization.

2331552401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21390498.

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

The square root of 2331552401 is about 48286.1512340754. The cubic root of 2331552401 is about 1326.0148676167.

The spelling of 2331552401 in words is "two billion, three hundred thirty-one million, five hundred fifty-two thousand, four hundred one".