401081753 has 4 divisors (see below), whose sum is σ = 401678388. Its totient is φ = 400485120.

The previous prime is 401081743. The next prime is 401081767. The reversal of 401081753 is 357180104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131859289 + 269222464 = 11483^2 + 16408^2 .

It is a cyclic number.

It is not a de Polignac number, because 401081753 - 2¹⁴ = 401065369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401081743) 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, 297308 + ... + 298653.

It is an arithmetic number, because the mean of its divisors is an integer number (100419597).

Almost surely, 2^401081753 is an apocalyptic number.

It is an amenable number.

401081753 is a deficient number, since it is larger than the sum of its proper divisors (596635).

401081753 is an equidigital number, since it uses as much as digits as its factorization.

401081753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596634.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 401081753 is about 20027.0255654703. The cubic root of 401081753 is about 737.4699038949.

The spelling of 401081753 in words is "four hundred one million, eighty-one thousand, seven hundred fifty-three".