75100001 has 4 divisors (see below), whose sum is σ = 75597504. Its totient is φ = 74602500.

The previous prime is 75099943. The next prime is 75100009. The reversal of 75100001 is 10000157.

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 a cyclic number.

It is not a de Polignac number, because 75100001 - 2¹⁰ = 75098977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75100009) 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, 248525 + ... + 248826.

It is an arithmetic number, because the mean of its divisors is an integer number (18899376).

Almost surely, 2^75100001 is an apocalyptic number.

It is an amenable number.

75100001 is a deficient number, since it is larger than the sum of its proper divisors (497503).

75100001 is a wasteful number, since it uses less digits than its factorization.

75100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497502.

The product of its (nonzero) digits is 35, while the sum is 14.

The square root of 75100001 is about 8666.0256750139. The cubic root of 75100001 is about 421.9036807643.

Adding to 75100001 its reverse (10000157), we get a palindrome (85100158).

The spelling of 75100001 in words is "seventy-five million, one hundred thousand, one".