248540025 has 12 divisors (see below), whose sum is σ = 410919632. Its totient is φ = 132554640.

The previous prime is 248540023. The next prime is 248540027. The reversal of 248540025 is 520045842.

It is an interprime number because it is at equal distance from previous prime (248540023) and next prime (248540027).

It is not a de Polignac number, because 248540025 - 2¹ = 248540023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248539974 and 248540001.

It is not an unprimeable number, because it can be changed into a prime (248540021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1656859 + ... + 1657008.

Almost surely, 2^248540025 is an apocalyptic number.

248540025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

248540025 is a deficient number, since it is larger than the sum of its proper divisors (162379607).

248540025 is a wasteful number, since it uses less digits than its factorization.

248540025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313880 (or 3313875 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 248540025 is about 15765.1522352307. The cubic root of 248540025 is about 628.7318278551.

Adding to 248540025 its reverse (520045842), we get a palindrome (768585867).

The spelling of 248540025 in words is "two hundred forty-eight million, five hundred forty thousand, twenty-five".