152861903 has 2 divisors, whose sum is σ = 152861904. Its totient is φ = 152861902.

The previous prime is 152861893. The next prime is 152861923. The reversal of 152861903 is 309168251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152861903 - 2⁸ = 152861647 is a prime.

It is a super-2 number, since 2×152861903² = 46733522777562818, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152861923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76430951 + 76430952.

It is an arithmetic number, because the mean of its divisors is an integer number (76430952).

Almost surely, 2^152861903 is an apocalyptic number.

152861903 is a deficient number, since it is larger than the sum of its proper divisors (1).

152861903 is an equidigital number, since it uses as much as digits as its factorization.

152861903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 152861903 is about 12363.7333762905. The cubic root of 152861903 is about 534.6871586453.

The spelling of 152861903 in words is "one hundred fifty-two million, eight hundred sixty-one thousand, nine hundred three".