152172803 has 2 divisors, whose sum is σ = 152172804. Its totient is φ = 152172802.

The previous prime is 152172737. The next prime is 152172827. The reversal of 152172803 is 308271251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152172803 - 2⁸ = 152172547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (152172863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76086401 + 76086402.

It is an arithmetic number, because the mean of its divisors is an integer number (76086402).

Almost surely, 2^152172803 is an apocalyptic number.

152172803 is a deficient number, since it is larger than the sum of its proper divisors (1).

152172803 is an equidigital number, since it uses as much as digits as its factorization.

152172803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 152172803 is about 12335.8341023216. The cubic root of 152172803 is about 533.8824934206.

The spelling of 152172803 in words is "one hundred fifty-two million, one hundred seventy-two thousand, eight hundred three".