633254401 has 16 divisors (see below), whose sum is σ = 720240640. Its totient is φ = 551940480.

The previous prime is 633254381. The next prime is 633254407. The reversal of 633254401 is 104452336.

It is not a de Polignac number, because 633254401 - 2¹⁷ = 633123329 is a prime.

It is a super-2 number, since 2×633254401² = 802022272771737602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 633254401.

It is not an unprimeable number, because it can be changed into a prime (633254407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73216 + ... + 81406.

It is an arithmetic number, because the mean of its divisors is an integer number (45015040).

Almost surely, 2^633254401 is an apocalyptic number.

It is an amenable number.

633254401 is a deficient number, since it is larger than the sum of its proper divisors (86986239).

633254401 is a wasteful number, since it uses less digits than its factorization.

633254401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8536.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 633254401 is about 25164.5465089280. The cubic root of 633254401 is about 858.7354775365.

The spelling of 633254401 in words is "six hundred thirty-three million, two hundred fifty-four thousand, four hundred one".