245542512 has 20 divisors (see below), whose sum is σ = 634318280. Its totient is φ = 81847488.

The previous prime is 245542511. The next prime is 245542519. The reversal of 245542512 is 215245542.

245542512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245542512² = 120582250398540288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245542512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245542511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557687 + ... + 2557782.

It is an arithmetic number, because the mean of its divisors is an integer number (31715914).

Almost surely, 2^245542512 is an apocalyptic number.

It is an amenable number.

245542512 is an abundant number, since it is smaller than the sum of its proper divisors (388775768).

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

245542512 is a wasteful number, since it uses less digits than its factorization.

245542512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115480 (or 5115474 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 245542512 is about 15669.7961697018. The cubic root of 245542512 is about 626.1939944577.

The spelling of 245542512 in words is "two hundred forty-five million, five hundred forty-two thousand, five hundred twelve".