280150901 has 2 divisors, whose sum is σ = 280150902. Its totient is φ = 280150900.

The previous prime is 280150867. The next prime is 280150943. The reversal of 280150901 is 109051082.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229371025 + 50779876 = 15145^2 + 7126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-280150901 is a prime.

It is a super-2 number, since 2×280150901² = 156969054662223602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280150001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140075450 + 140075451.

It is an arithmetic number, because the mean of its divisors is an integer number (140075451).

Almost surely, 2^280150901 is an apocalyptic number.

It is an amenable number.

280150901 is a deficient number, since it is larger than the sum of its proper divisors (1).

280150901 is an equidigital number, since it uses as much as digits as its factorization.

280150901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 280150901 is about 16737.7089531393. The cubic root of 280150901 is about 654.3307664497.

The spelling of 280150901 in words is "two hundred eighty million, one hundred fifty thousand, nine hundred one".