401025003 has 4 divisors (see below), whose sum is σ = 534700008. Its totient is φ = 267350000.

The previous prime is 401024993. The next prime is 401025013. The reversal of 401025003 is 300520104.

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

It is an interprime number because it is at equal distance from previous prime (401024993) and next prime (401025013).

It is a cyclic number.

It is not a de Polignac number, because 401025003 - 2¹⁰ = 401023979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401025013) 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, 66837498 + ... + 66837503.

It is an arithmetic number, because the mean of its divisors is an integer number (133675002).

Almost surely, 2^401025003 is an apocalyptic number.

401025003 is a deficient number, since it is larger than the sum of its proper divisors (133675005).

401025003 is a wasteful number, since it uses less digits than its factorization.

401025003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133675004.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 401025003 is about 20025.6086798879. The cubic root of 401025003 is about 737.4351201376.

Adding to 401025003 its reverse (300520104), we get a palindrome (701545107).

The spelling of 401025003 in words is "four hundred one million, twenty-five thousand, three".