245420125263 has 16 divisors (see below), whose sum is σ = 363810009600. Its totient is φ = 163512329400.

The previous prime is 245420125259. The next prime is 245420125277. The reversal of 245420125263 is 362521024542.

245420125263 is a `hidden beast` number, since 2 + 4 + 542 + 0 + 1 + 2 + 52 + 63 = 666.

It is not a de Polignac number, because 245420125263 - 2² = 245420125259 is a prime.

It is a super-2 number, since 2×245420125263² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245420125213) 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, 2763463 + ... + 2850888.

It is an arithmetic number, because the mean of its divisors is an integer number (22738125600).

Almost surely, 2^245420125263 is an apocalyptic number.

245420125263 is a deficient number, since it is larger than the sum of its proper divisors (118389884337).

245420125263 is a wasteful number, since it uses less digits than its factorization.

245420125263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615979 (or 5615973 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 245420125263 in words is "two hundred forty-five billion, four hundred twenty million, one hundred twenty-five thousand, two hundred sixty-three".