245526512 has 160 divisors (see below), whose sum is σ = 662100480. Its totient is φ = 85155840.

The previous prime is 245526509. The next prime is 245526527. The reversal of 245526512 is 215625542.

It is a super-2 number, since 2×245526512² = 120566536189772288, 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 31 ways as a sum of consecutive naturals, for example, 397628 + ... + 398244.

It is an arithmetic number, because the mean of its divisors is an integer number (4138128).

Almost surely, 2^245526512 is an apocalyptic number.

245526512 is a gapful number since it is divisible by the number (22) 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 245526512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331050240).

245526512 is an abundant number, since it is smaller than the sum of its proper divisors (416573968).

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

245526512 is a wasteful number, since it uses less digits than its factorization.

245526512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 673 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 245526512 is about 15669.2856250692. The cubic root of 245526512 is about 626.1803928462.

The spelling of 245526512 in words is "two hundred forty-five million, five hundred twenty-six thousand, five hundred twelve".