400608053 has 4 divisors (see below), whose sum is σ = 407398080. Its totient is φ = 393818028.

The previous prime is 400608037. The next prime is 400608067. The reversal of 400608053 is 350806004.

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 400608053 - 2⁴ = 400608037 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 (400608853) 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, 3394925 + ... + 3395042.

It is an arithmetic number, because the mean of its divisors is an integer number (101849520).

Almost surely, 2^400608053 is an apocalyptic number.

It is an amenable number.

400608053 is a deficient number, since it is larger than the sum of its proper divisors (6790027).

400608053 is an equidigital number, since it uses as much as digits as its factorization.

400608053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790026.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 400608053 is about 20015.1955523797. The cubic root of 400608053 is about 737.1794584425.

The spelling of 400608053 in words is "four hundred million, six hundred eight thousand, fifty-three".