374540281 has 4 divisors (see below), whose sum is σ = 374772112. Its totient is φ = 374308452.

The previous prime is 374540279. The next prime is 374540333. The reversal of 374540281 is 182045473.

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, and also an emirpimes, since its reverse is a distinct semiprime: 182045473 = 467 ⋅389819.

It is a cyclic number.

It is not a de Polignac number, because 374540281 - 2¹ = 374540279 is a prime.

It is a super-2 number, since 2×374540281² = 280560844183117922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374540261) 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, 113475 + ... + 116728.

It is an arithmetic number, because the mean of its divisors is an integer number (93693028).

Almost surely, 2^374540281 is an apocalyptic number.

It is an amenable number.

374540281 is a deficient number, since it is larger than the sum of its proper divisors (231831).

374540281 is a wasteful number, since it uses less digits than its factorization.

374540281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231830.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 374540281 is about 19353.0431973889. The cubic root of 374540281 is about 720.8299848627.

The spelling of 374540281 in words is "three hundred seventy-four million, five hundred forty thousand, two hundred eighty-one".