60401809 has 8 divisors (see below), whose sum is σ = 67291560. Its totient is φ = 53832576.

The previous prime is 60401807. The next prime is 60401813. The reversal of 60401809 is 90810406.

It can be written as a sum of positive squares in 4 ways, for example, as 494209 + 59907600 = 703^2 + 7740^2 .

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 60401809 - 2¹ = 60401807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60401807) 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, 79732 + ... + 80485.

It is an arithmetic number, because the mean of its divisors is an integer number (8411445).

Almost surely, 2^60401809 is an apocalyptic number.

It is an amenable number.

60401809 is a deficient number, since it is larger than the sum of its proper divisors (6889751).

60401809 is a wasteful number, since it uses less digits than its factorization.

60401809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160259.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 60401809 is about 7771.8600733673. The cubic root of 60401809 is about 392.3587255775.

The spelling of 60401809 in words is "sixty million, four hundred one thousand, eight hundred nine".