2301251421 has 16 divisors (see below), whose sum is σ = 3507350144. Its totient is φ = 1314745344.

The previous prime is 2301251411. The next prime is 2301251423. The reversal of 2301251421 is 1241521032.

2301251421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2301251421 - 2⁶ = 2301251357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301251423) 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, 176685 + ... + 189261.

It is an arithmetic number, because the mean of its divisors is an integer number (219209384).

Almost surely, 2^2301251421 is an apocalyptic number.

2301251421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2301251421 is a deficient number, since it is larger than the sum of its proper divisors (1206098723).

2301251421 is a wasteful number, since it uses less digits than its factorization.

2301251421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21300.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2301251421 is about 47971.3604247368. The cubic root of 2301251421 is about 1320.2454817781.

Adding to 2301251421 its reverse (1241521032), we get a palindrome (3542772453).

The spelling of 2301251421 in words is "two billion, three hundred one million, two hundred fifty-one thousand, four hundred twenty-one".