1541626 has 4 divisors (see below), whose sum is σ = 2312442. Its totient is φ = 770812.

The previous prime is 1541597. The next prime is 1541629. The reversal of 1541626 is 6261451.

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., 1442401 + 99225 = 1201^2 + 315^2 .

It is a super-2 number, since 2×1541626² = 4753221447752, 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 1541626.

It is not an unprimeable number, because it can be changed into a prime (1541629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385405 + ... + 385408.

2^1541626 is an apocalyptic number.

1541626 is a deficient number, since it is larger than the sum of its proper divisors (770816).

1541626 is an equidigital number, since it uses as much as digits as its factorization.

1541626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770815.

The product of its digits is 1440, while the sum is 25.

The square root of 1541626 is about 1241.6223258302. The cubic root of 1541626 is about 115.5206637067.

The spelling of 1541626 in words is "one million, five hundred forty-one thousand, six hundred twenty-six".