6406025701 has 4 divisors (see below), whose sum is σ = 6415405632. Its totient is φ = 6396645772.

The previous prime is 6406025683. The next prime is 6406025719. The reversal of 6406025701 is 1075206046.

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 an interprime number because it is at equal distance from previous prime (6406025683) and next prime (6406025719).

It is a cyclic number.

It is not a de Polignac number, because 6406025701 - 2⁹ = 6406025189 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 (6406025741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4688941 + ... + 4690306.

It is an arithmetic number, because the mean of its divisors is an integer number (1603851408).

Almost surely, 2^6406025701 is an apocalyptic number.

It is an amenable number.

6406025701 is a deficient number, since it is larger than the sum of its proper divisors (9379931).

6406025701 is an equidigital number, since it uses as much as digits as its factorization.

6406025701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379930.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 6406025701 is about 80037.6517709009. The cubic root of 6406025701 is about 1857.2180345569.

The spelling of 6406025701 in words is "six billion, four hundred six million, twenty-five thousand, seven hundred one".