401654603 has 4 divisors (see below), whose sum is σ = 459033840. Its totient is φ = 344275368.

The previous prime is 401654579. The next prime is 401654633. The reversal of 401654603 is 306456104.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 401654603 - 2¹⁰ = 401653579 is a prime.

It is a super-2 number, since 2×401654603² = 322652840222175218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401654633) 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, 28689608 + ... + 28689621.

It is an arithmetic number, because the mean of its divisors is an integer number (114758460).

Almost surely, 2^401654603 is an apocalyptic number.

401654603 is a deficient number, since it is larger than the sum of its proper divisors (57379237).

401654603 is an equidigital number, since it uses as much as digits as its factorization.

401654603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57379236.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 401654603 is about 20041.3223865093. The cubic root of 401654603 is about 737.8208370592.

The spelling of 401654603 in words is "four hundred one million, six hundred fifty-four thousand, six hundred three".