75020051 has 2 divisors, whose sum is σ = 75020052. Its totient is φ = 75020050.

The previous prime is 75020041. The next prime is 75020083. The reversal of 75020051 is 15002057.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75020051 - 2²² = 70825747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75020021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37510025 + 37510026.

It is an arithmetic number, because the mean of its divisors is an integer number (37510026).

Almost surely, 2^75020051 is an apocalyptic number.

75020051 is a deficient number, since it is larger than the sum of its proper divisors (1).

75020051 is an equidigital number, since it uses as much as digits as its factorization.

75020051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 75020051 is about 8661.4116055063. The cubic root of 75020051 is about 421.7539107875.

The spelling of 75020051 in words is "seventy-five million, twenty thousand, fifty-one".