84751501 has 2 divisors, whose sum is σ = 84751502. Its totient is φ = 84751500.

The previous prime is 84751483. The next prime is 84751507. The reversal of 84751501 is 10515748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52272900 + 32478601 = 7230^2 + 5699^2 .

It is a cyclic number.

It is not a de Polignac number, because 84751501 - 2¹⁷ = 84620429 is a prime.

It is equal to p_4930159 and since 84751501 and 4930159 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84751507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42375750 + 42375751.

It is an arithmetic number, because the mean of its divisors is an integer number (42375751).

Almost surely, 2^84751501 is an apocalyptic number.

It is an amenable number.

84751501 is a deficient number, since it is larger than the sum of its proper divisors (1).

84751501 is an equidigital number, since it uses as much as digits as its factorization.

84751501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 84751501 is about 9206.0578425296. The cubic root of 84751501 is about 439.2540753483.

The spelling of 84751501 in words is "eighty-four million, seven hundred fifty-one thousand, five hundred one".