6401495 has 8 divisors (see below), whose sum is σ = 7697760. Its totient is φ = 5110560.

The previous prime is 6401477. The next prime is 6401497. The reversal of 6401495 is 5941046.

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

It is not a de Polignac number, because 6401495 - 2¹² = 6397399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401497) 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, 2141 + ... + 4169.

It is an arithmetic number, because the mean of its divisors is an integer number (962220).

Almost surely, 2^6401495 is an apocalyptic number.

6401495 is a deficient number, since it is larger than the sum of its proper divisors (1296265).

6401495 is a wasteful number, since it uses less digits than its factorization.

6401495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6401495 is about 2530.1175862003. The cubic root of 6401495 is about 185.6780088342.

The spelling of 6401495 in words is "six million, four hundred one thousand, four hundred ninety-five".