404252051 has 4 divisors (see below), whose sum is σ = 462002352. Its totient is φ = 346501752.

The previous prime is 404251957. The next prime is 404252053. The reversal of 404252051 is 150252404.

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 404252051 - 2¹⁰ = 404251027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404252053) 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, 28875140 + ... + 28875153.

It is an arithmetic number, because the mean of its divisors is an integer number (115500588).

Almost surely, 2^404252051 is an apocalyptic number.

404252051 is a deficient number, since it is larger than the sum of its proper divisors (57750301).

404252051 is an equidigital number, since it uses as much as digits as its factorization.

404252051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57750300.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 404252051 is about 20106.0202675716. The cubic root of 404252051 is about 739.4078846325.

The spelling of 404252051 in words is "four hundred four million, two hundred fifty-two thousand, fifty-one".