6250407421 has 8 divisors (see below), whose sum is σ = 6355003104. Its totient is φ = 6146144400.

The previous prime is 6250407367. The next prime is 6250407437. The reversal of 6250407421 is 1247040526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6250407421 - 2¹³ = 6250399229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6250407491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45130 + ... + 120571.

It is an arithmetic number, because the mean of its divisors is an integer number (794375388).

Almost surely, 2^6250407421 is an apocalyptic number.

It is an amenable number.

6250407421 is a deficient number, since it is larger than the sum of its proper divisors (104595683).

6250407421 is a wasteful number, since it uses less digits than its factorization.

6250407421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166331.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 6250407421 is about 79059.5182188710. The cubic root of 6250407421 is about 1842.0557738318.

Adding to 6250407421 its reverse (1247040526), we get a palindrome (7497447947).

The spelling of 6250407421 in words is "six billion, two hundred fifty million, four hundred seven thousand, four hundred twenty-one".