152651 has 4 divisors (see below), whose sum is σ = 159312. Its totient is φ = 145992.

The previous prime is 152641. The next prime is 152657. The reversal of 152651 is 156251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152657) 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, 3296 + ... + 3341.

It is an arithmetic number, because the mean of its divisors is an integer number (39828).

2¹⁵²⁶⁵¹ is an apocalyptic number.

152651 is a deficient number, since it is larger than the sum of its proper divisors (6661).

152651 is an equidigital number, since it uses as much as digits as its factorization.

152651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660.

The product of its digits is 300, while the sum is 20.

The square root of 152651 is about 390.7057716492. The cubic root of 152651 is about 53.4441143506. Note that the first 3 decimals are identical.

Subtracting 152651 from its reverse (156251), we obtain a square (3600 = 60²).

The spelling of 152651 in words is "one hundred fifty-two thousand, six hundred fifty-one".