401450657 has 4 divisors (see below), whose sum is σ = 402544896. Its totient is φ = 400356420.

The previous prime is 401450633. The next prime is 401450663. The reversal of 401450657 is 756054104.

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 401450657 - 2¹⁴ = 401434273 is a prime.

It is a super-2 number, since 2×401450657² = 322325260011463298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401450957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546569 + ... + 547302.

It is an arithmetic number, because the mean of its divisors is an integer number (100636224).

Almost surely, 2^401450657 is an apocalyptic number.

It is an amenable number.

401450657 is a deficient number, since it is larger than the sum of its proper divisors (1094239).

401450657 is a wasteful number, since it uses less digits than its factorization.

401450657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094238.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 401450657 is about 20036.2336031501. The cubic root of 401450657 is about 737.6959361425.

The spelling of 401450657 in words is "four hundred one million, four hundred fifty thousand, six hundred fifty-seven".