351825401 has 2 divisors, whose sum is σ = 351825402. Its totient is φ = 351825400.

The previous prime is 351825389. The next prime is 351825407. The reversal of 351825401 is 104528153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279558400 + 72267001 = 16720^2 + 8501^2 .

It is an emirp because it is prime and its reverse (104528153) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351825401 is a prime.

It is a super-2 number, since 2×351825401² = 247562225577621602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (351825407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175912700 + 175912701.

It is an arithmetic number, because the mean of its divisors is an integer number (175912701).

Almost surely, 2^351825401 is an apocalyptic number.

It is an amenable number.

351825401 is a deficient number, since it is larger than the sum of its proper divisors (1).

351825401 is an equidigital number, since it uses as much as digits as its factorization.

351825401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 351825401 is about 18757.0093831613. The cubic root of 351825401 is about 705.9529062258.

The spelling of 351825401 in words is "three hundred fifty-one million, eight hundred twenty-five thousand, four hundred one".