1501056001 has 2 divisors, whose sum is σ = 1501056002. Its totient is φ = 1501056000.

The previous prime is 1501055989. The next prime is 1501056013. The reversal of 1501056001 is 1006501051.

It is a balanced prime because it is at equal distance from previous prime (1501055989) and next prime (1501056013).

It can be written as a sum of positive squares in only one way, i.e., 1152263025 + 348792976 = 33945^2 + 18676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1501056001 - 2¹⁵ = 1501023233 is a prime.

It is a super-2 number, since 2×1501056001² = 4506338236276224002, 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 1501056001.

It is not a weakly prime, because it can be changed into another prime (1501056101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750528000 + 750528001.

It is an arithmetic number, because the mean of its divisors is an integer number (750528001).

Almost surely, 2^1501056001 is an apocalyptic number.

It is an amenable number.

1501056001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501056001 is an equidigital number, since it uses as much as digits as its factorization.

1501056001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1501056001 is about 38743.4639778118. The cubic root of 1501056001 is about 1144.9828060702.

Adding to 1501056001 its reverse (1006501051), we get a palindrome (2507557052).

The spelling of 1501056001 in words is "one billion, five hundred one million, fifty-six thousand, one".