75017401 has 2 divisors, whose sum is σ = 75017402. Its totient is φ = 75017400.

The previous prime is 75017399. The next prime is 75017429. The reversal of 75017401 is 10471057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40195600 + 34821801 = 6340^2 + 5901^2 .

It is an emirp because it is prime and its reverse (10471057) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75017401 - 2¹ = 75017399 is a prime.

It is a super-2 number, since 2×75017401² = 11255220905589602, which contains 22 as substring.

Together with 75017399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (75017431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37508700 + 37508701.

It is an arithmetic number, because the mean of its divisors is an integer number (37508701).

Almost surely, 2^75017401 is an apocalyptic number.

It is an amenable number.

75017401 is a deficient number, since it is larger than the sum of its proper divisors (1).

75017401 is an equidigital number, since it uses as much as digits as its factorization.

75017401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 75017401 is about 8661.2586267817. The cubic root of 75017401 is about 421.7489447329.

Adding to 75017401 its reverse (10471057), we get a palindrome (85488458).

The spelling of 75017401 in words is "seventy-five million, seventeen thousand, four hundred one".