2143025401 has 4 divisors (see below), whose sum is σ = 2337845904. Its totient is φ = 1948204900.

The previous prime is 2143025399. The next prime is 2143025419. The reversal of 2143025401 is 1045203412.

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 2143025401 - 2¹ = 2143025399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143025461) 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, 97410235 + ... + 97410256.

It is an arithmetic number, because the mean of its divisors is an integer number (584461476).

Almost surely, 2^2143025401 is an apocalyptic number.

It is an amenable number.

2143025401 is a deficient number, since it is larger than the sum of its proper divisors (194820503).

2143025401 is a wasteful number, since it uses less digits than its factorization.

2143025401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194820502.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2143025401 is about 46292.8223486104. The cubic root of 2143025401 is about 1289.2657322053.

Adding to 2143025401 its reverse (1045203412), we get a palindrome (3188228813).

The spelling of 2143025401 in words is "two billion, one hundred forty-three million, twenty-five thousand, four hundred one".