1541225001 has 16 divisors (see below), whose sum is σ = 2095554240. Its totient is φ = 1007223360.

The previous prime is 1541224999. The next prime is 1541225003. The reversal of 1541225001 is 1005221451.

It is an interprime number because it is at equal distance from previous prime (1541224999) and next prime (1541225003).

It is not a de Polignac number, because 1541225001 - 2¹ = 1541224999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1541225003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216070 + ... + 223088.

It is an arithmetic number, because the mean of its divisors is an integer number (130972140).

Almost surely, 2^1541225001 is an apocalyptic number.

It is an amenable number.

1541225001 is a deficient number, since it is larger than the sum of its proper divisors (554329239).

1541225001 is a wasteful number, since it uses less digits than its factorization.

1541225001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8456.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1541225001 is about 39258.4385960522. The cubic root of 1541225001 is about 1155.1064664512.

Adding to 1541225001 its reverse (1005221451), we get a palindrome (2546446452).

The spelling of 1541225001 in words is "one billion, five hundred forty-one million, two hundred twenty-five thousand, one".