245421533 has 8 divisors (see below), whose sum is σ = 285236160. Its totient is φ = 206795520.

The previous prime is 245421521. The next prime is 245421551. The reversal of 245421533 is 335124542.

It is a happy number.

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 245421533 - 2¹⁶ = 245355997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245421496 and 245421505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245421563) 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, 296708 + ... + 297533.

It is an arithmetic number, because the mean of its divisors is an integer number (35654520).

Almost surely, 2^245421533 is an apocalyptic number.

It is an amenable number.

245421533 is a deficient number, since it is larger than the sum of its proper divisors (39814627).

245421533 is an equidigital number, since it uses as much as digits as its factorization.

245421533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594307.

The product of its digits is 14400, while the sum is 29.

The square root of 245421533 is about 15665.9354332896. The cubic root of 245421533 is about 626.0911354622.

The spelling of 245421533 in words is "two hundred forty-five million, four hundred twenty-one thousand, five hundred thirty-three".