2554522381 has 2 divisors, whose sum is σ = 2554522382. Its totient is φ = 2554522380.

The previous prime is 2554522367. The next prime is 2554522429. The reversal of 2554522381 is 1832254552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2553685156 + 837225 = 50534^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554522381 - 2¹⁷ = 2554391309 is a prime.

It is a super-2 number, since 2×2554522381² = 13051169190059818322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2554522381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554522181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277261190 + 1277261191.

It is an arithmetic number, because the mean of its divisors is an integer number (1277261191).

Almost surely, 2^2554522381 is an apocalyptic number.

It is an amenable number.

2554522381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554522381 is an equidigital number, since it uses as much as digits as its factorization.

2554522381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96000, while the sum is 37.

The square root of 2554522381 is about 50542.2831003903. The cubic root of 2554522381 is about 1367.0043734621.

The spelling of 2554522381 in words is "two billion, five hundred fifty-four million, five hundred twenty-two thousand, three hundred eighty-one".