245534421 has 8 divisors (see below), whose sum is σ = 357141024. Its totient is φ = 148808720.

The previous prime is 245534411. The next prime is 245534441. The reversal of 245534421 is 124435542.

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 245534421 - 2⁵ = 245534389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245534411) 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, 3720186 + ... + 3720251.

It is an arithmetic number, because the mean of its divisors is an integer number (44642628).

Almost surely, 2^245534421 is an apocalyptic number.

It is an amenable number.

245534421 is a deficient number, since it is larger than the sum of its proper divisors (111606603).

245534421 is a wasteful number, since it uses less digits than its factorization.

245534421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440451.

The product of its digits is 19200, while the sum is 30.

The square root of 245534421 is about 15669.5379957419. The cubic root of 245534421 is about 626.1871163667.

Adding to 245534421 its reverse (124435542), we get a palindrome (369969963).

The spelling of 245534421 in words is "two hundred forty-five million, five hundred thirty-four thousand, four hundred twenty-one".