99951527 has 8 divisors (see below), whose sum is σ = 109115664. Its totient is φ = 90998208.

The previous prime is 99951521. The next prime is 99951529. The reversal of 99951527 is 72515999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99951527 - 2¹⁰ = 99950503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99951521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51713 + ... + 53610.

It is an arithmetic number, because the mean of its divisors is an integer number (13639458).

Almost surely, 2^99951527 is an apocalyptic number.

99951527 is a deficient number, since it is larger than the sum of its proper divisors (9164137).

99951527 is a wasteful number, since it uses less digits than its factorization.

99951527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105409.

The product of its digits is 255150, while the sum is 47.

The square root of 99951527 is about 9997.5760562248. The cubic root of 99951527 is about 464.0838739950.

Subtracting from 99951527 its reverse (72515999), we obtain a triangular number (27435528 = T₇₄₀₇).

The spelling of 99951527 in words is "ninety-nine million, nine hundred fifty-one thousand, five hundred twenty-seven".