633257401 has 8 divisors (see below), whose sum is σ = 734525120. Its totient is φ = 534690288.

The previous prime is 633257389. The next prime is 633257411. The reversal of 633257401 is 104752336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 633257401 - 2¹⁹ = 632733113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (633257411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674646 + ... + 675583.

It is an arithmetic number, because the mean of its divisors is an integer number (91815640).

Almost surely, 2^633257401 is an apocalyptic number.

It is an amenable number.

633257401 is a deficient number, since it is larger than the sum of its proper divisors (101267719).

633257401 is a wasteful number, since it uses less digits than its factorization.

633257401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350303.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 633257401 is about 25164.6061165280. The cubic root of 633257401 is about 858.7368336015.

The spelling of 633257401 in words is "six hundred thirty-three million, two hundred fifty-seven thousand, four hundred one".