254616530258981 has 4 divisors (see below), whose sum is σ = 277763487555264. Its totient is φ = 231469572962700.

The previous prime is 254616530258957. The next prime is 254616530258983. The reversal of 254616530258981 is 189852035616452.

It is a happy number.

254616530258981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254616530258981 is a prime.

It is a super-2 number, since 2×254616530258981² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254616530258983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11573478648125 + ... + 11573478648146.

It is an arithmetic number, because the mean of its divisors is an integer number (69440871888816).

Almost surely, 2^{254616530258981} is an apocalyptic number.

It is an amenable number.

254616530258981 is a deficient number, since it is larger than the sum of its proper divisors (23146957296283).

254616530258981 is a wasteful number, since it uses less digits than its factorization.

254616530258981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23146957296282.

The product of its (nonzero) digits is 124416000, while the sum is 65.

The spelling of 254616530258981 in words is "two hundred fifty-four trillion, six hundred sixteen billion, five hundred thirty million, two hundred fifty-eight thousand, nine hundred eighty-one".