2533474381 has 2 divisors, whose sum is σ = 2533474382. Its totient is φ = 2533474380.

The previous prime is 2533474367. The next prime is 2533474393. The reversal of 2533474381 is 1834743352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2510911881 + 22562500 = 50109^2 + 4750^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533474381 - 2¹³ = 2533466189 is a prime.

It is a super-2 number, since 2×2533474381² = 12836984878366666322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2533474681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266737190 + 1266737191.

It is an arithmetic number, because the mean of its divisors is an integer number (1266737191).

Almost surely, 2^2533474381 is an apocalyptic number.

It is an amenable number.

2533474381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2533474381 is an equidigital number, since it uses as much as digits as its factorization.

2533474381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 2533474381 is about 50333.6307154570. The cubic root of 2533474381 is about 1363.2395345120.

The spelling of 2533474381 in words is "two billion, five hundred thirty-three million, four hundred seventy-four thousand, three hundred eighty-one".