4261538 has 4 divisors (see below), whose sum is σ = 6392310. Its totient is φ = 2130768.

The previous prime is 4261519. The next prime is 4261541. The reversal of 4261538 is 8351624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3988009 + 273529 = 1997^2 + 523^2 .

It is a super-2 number, since 2×4261538² = 36321412250888, 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 4261538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065383 + ... + 1065386.

Almost surely, 2^4261538 is an apocalyptic number.

4261538 is a deficient number, since it is larger than the sum of its proper divisors (2130772).

4261538 is a wasteful number, since it uses less digits than its factorization.

4261538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130771.

The product of its digits is 5760, while the sum is 29.

The square root of 4261538 is about 2064.3492921500. The cubic root of 4261538 is about 162.1270405204.

The spelling of 4261538 in words is "four million, two hundred sixty-one thousand, five hundred thirty-eight".