75261001 has 2 divisors, whose sum is σ = 75261002. Its totient is φ = 75261000.

The previous prime is 75260987. The next prime is 75261103. The reversal of 75261001 is 10016257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71419401 + 3841600 = 8451^2 + 1960^2 .

It is a cyclic number.

It is not a de Polignac number, because 75261001 - 2¹³ = 75252809 is a prime.

It is not a weakly prime, because it can be changed into another prime (75262001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37630500 + 37630501.

It is an arithmetic number, because the mean of its divisors is an integer number (37630501).

Almost surely, 2^75261001 is an apocalyptic number.

It is an amenable number.

75261001 is a deficient number, since it is larger than the sum of its proper divisors (1).

75261001 is an equidigital number, since it uses as much as digits as its factorization.

75261001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 75261001 is about 8675.3098503742. The cubic root of 75261001 is about 422.2049590998.

Adding to 75261001 its reverse (10016257), we get a palindrome (85277258).

The spelling of 75261001 in words is "seventy-five million, two hundred sixty-one thousand, one".