245271504 has 80 divisors (see below), whose sum is σ = 658243584. Its totient is φ = 78614400.

The previous prime is 245271491. The next prime is 245271539. The reversal of 245271504 is 405172542.

It is a super-2 number, since 2×245271504² = 120316221348844032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283777 + ... + 284639.

Almost surely, 2^245271504 is an apocalyptic number.

245271504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245271504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329121792).

245271504 is an abundant number, since it is smaller than the sum of its proper divisors (412972080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245271504 is a wasteful number, since it uses less digits than its factorization.

245271504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 245271504 is about 15661.1463181978. The cubic root of 245271504 is about 625.9635305575.

The spelling of 245271504 in words is "two hundred forty-five million, two hundred seventy-one thousand, five hundred four".