245540025 has 48 divisors (see below), whose sum is σ = 454484800. Its totient is φ = 129962880.

The previous prime is 245540023. The next prime is 245540033. The reversal of 245540025 is 520045542.

245540025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245540025 - 2¹ = 245540023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (245540023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92517 + ... + 95133.

Almost surely, 2^245540025 is an apocalyptic number.

245540025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245540025 is a deficient number, since it is larger than the sum of its proper divisors (208944775).

245540025 is a wasteful number, since it uses less digits than its factorization.

245540025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775 (or 2764 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 245540025 is about 15669.7168130123. The cubic root of 245540025 is about 626.1918802960.

Adding to 245540025 its reverse (520045542), we get a palindrome (765585567).

The spelling of 245540025 in words is "two hundred forty-five million, five hundred forty thousand, twenty-five".