7438261 has 4 divisors (see below), whose sum is σ = 7619724. Its totient is φ = 7256800.

The previous prime is 7438247. The next prime is 7438271. The reversal of 7438261 is 1628347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1628347 = 7 ⋅232621.

It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 6426225 = 1006^2 + 2535^2 .

It is a cyclic number.

It is not a de Polignac number, because 7438261 - 2¹³ = 7430069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7438241) 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, 90670 + ... + 90751.

It is an arithmetic number, because the mean of its divisors is an integer number (1904931).

Almost surely, 2^7438261 is an apocalyptic number.

It is an amenable number.

7438261 is a deficient number, since it is larger than the sum of its proper divisors (181463).

7438261 is a wasteful number, since it uses less digits than its factorization.

7438261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181462.

The product of its digits is 8064, while the sum is 31.

The square root of 7438261 is about 2727.3175466014. The cubic root of 7438261 is about 195.2047903314.

The spelling of 7438261 in words is "seven million, four hundred thirty-eight thousand, two hundred sixty-one".