254151020825 has 12 divisors (see below), whose sum is σ = 339389363628. Its totient is φ = 187680753600.

The previous prime is 254151020813. The next prime is 254151020881. The reversal of 254151020825 is 528020151452.

It can be written as a sum of positive squares in 6 ways, for example, as 25532204944 + 228618815881 = 159788^2 + 478141^2 .

It is a de Polignac number, because none of the positive numbers 2^k-254151020825 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391001246 + ... + 391001895.

It is an arithmetic number, because the mean of its divisors is an integer number (28282446969).

Almost surely, 2^254151020825 is an apocalyptic number.

254151020825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254151020825 is a deficient number, since it is larger than the sum of its proper divisors (85238342803).

254151020825 is a wasteful number, since it uses less digits than its factorization.

254151020825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782003164 (or 782003159 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The spelling of 254151020825 in words is "two hundred fifty-four billion, one hundred fifty-one million, twenty thousand, eight hundred twenty-five".