407261 has 4 divisors (see below), whose sum is σ = 424992. Its totient is φ = 389532.

The previous prime is 407257. The next prime is 407263. The reversal of 407261 is 162704.

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.

It is a cyclic number.

It is not a de Polignac number, because 407261 - 2² = 407257 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407263) 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, 8831 + ... + 8876.

It is an arithmetic number, because the mean of its divisors is an integer number (106248).

2⁴⁰⁷²⁶¹ is an apocalyptic number.

It is an amenable number.

407261 is a deficient number, since it is larger than the sum of its proper divisors (17731).

407261 is a wasteful number, since it uses less digits than its factorization.

407261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17730.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 407261 is about 638.1700400364. The cubic root of 407261 is about 74.1237884264.

Adding to 407261 its reverse (162704), we get a palindrome (569965).

The spelling of 407261 in words is "four hundred seven thousand, two hundred sixty-one".