245971362025 has 9 divisors (see below), whose sum is σ = 305007563863. Its totient is φ = 196775105800.

The previous prime is 245971361941. The next prime is 245971362031. The reversal of 245971362025 is 520263179542.

The square root of 245971362025 is 495955.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 88549690329 + 157421671696 = 297573^2 + 396764^2 .

It is not a de Polignac number, because 245971362025 - 2¹⁹ = 245970837737 is a prime.

It is a super-2 number, since 2×245971362025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2430180 + ... + 2529370.

Almost surely, 2^245971362025 is an apocalyptic number.

245971362025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

245971362025 is the 495955-th square number.

245971362025 is the 247978-th centered octagonal number.

It is an amenable number.

245971362025 is a deficient number, since it is larger than the sum of its proper divisors (59036201838).

245971362025 is an frugal number, since it uses more digits than its factorization.

245971362025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198392 (or 99196 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 245971362025 in words is "two hundred forty-five billion, nine hundred seventy-one million, three hundred sixty-two thousand, twenty-five".