1506261 has 4 divisors (see below), whose sum is σ = 2008352. Its totient is φ = 1004172.

The previous prime is 1506257. The next prime is 1506269. The reversal of 1506261 is 1626051.

It is a happy number.

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 not a de Polignac number, because 1506261 - 2² = 1506257 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506269) 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, 251041 + ... + 251046.

It is an arithmetic number, because the mean of its divisors is an integer number (502088).

2^1506261 is an apocalyptic number.

It is an amenable number.

1506261 is a deficient number, since it is larger than the sum of its proper divisors (502091).

1506261 is an equidigital number, since it uses as much as digits as its factorization.

1506261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502090.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1506261 is about 1227.2982522598. The cubic root of 1506261 is about 114.6304710813.

The spelling of 1506261 in words is "one million, five hundred six thousand, two hundred sixty-one".