64355401 has 4 divisors (see below), whose sum is σ = 70205904. Its totient is φ = 58504900.

The previous prime is 64355393. The next prime is 64355407. The reversal of 64355401 is 10455346.

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 64355401 - 2³ = 64355393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64355401.

It is not an unprimeable number, because it can be changed into a prime (64355407) 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, 2925235 + ... + 2925256.

It is an arithmetic number, because the mean of its divisors is an integer number (17551476).

Almost surely, 2^64355401 is an apocalyptic number.

It is an amenable number.

64355401 is a deficient number, since it is larger than the sum of its proper divisors (5850503).

64355401 is a wasteful number, since it uses less digits than its factorization.

64355401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850502.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 64355401 is about 8022.1818104553. The cubic root of 64355401 is about 400.7390524128.

The spelling of 64355401 in words is "sixty-four million, three hundred fifty-five thousand, four hundred one".