245420525 has 24 divisors (see below), whose sum is σ = 352578624. Its totient is φ = 165974400.

The previous prime is 245420467. The next prime is 245420561. The reversal of 245420525 is 525024542.

It is not a de Polignac number, because 245420525 - 2¹⁰ = 245419501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3170 + ... + 22380.

It is an arithmetic number, because the mean of its divisors is an integer number (14690776).

Almost surely, 2^245420525 is an apocalyptic number.

245420525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245420525 is a deficient number, since it is larger than the sum of its proper divisors (107158099).

245420525 is a wasteful number, since it uses less digits than its factorization.

245420525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19301 (or 19296 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 245420525 is about 15665.9032615422. The cubic root of 245420525 is about 626.0902782966.

The spelling of 245420525 in words is "two hundred forty-five million, four hundred twenty thousand, five hundred twenty-five".