245132520 has 64 divisors (see below), whose sum is σ = 778662720. Its totient is φ = 61522944.

The previous prime is 245132519. The next prime is 245132521. The reversal of 245132520 is 25231542.

It is an interprime number because it is at equal distance from previous prime (245132519) and next prime (245132521).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (245132521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58042 + ... + 62121.

It is an arithmetic number, because the mean of its divisors is an integer number (12166605).

Almost surely, 2^245132520 is an apocalyptic number.

245132520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245132520 is an abundant number, since it is smaller than the sum of its proper divisors (533530200).

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

245132520 is a wasteful number, since it uses less digits than its factorization.

245132520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120194 (or 120190 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 245132520 is about 15656.7084663412. The cubic root of 245132520 is about 625.8452733720.

The spelling of 245132520 in words is "two hundred forty-five million, one hundred thirty-two thousand, five hundred twenty".