402515345501 has 2 divisors, whose sum is σ = 402515345502. Its totient is φ = 402515345500.

The previous prime is 402515345467. The next prime is 402515345503. The reversal of 402515345501 is 105543515204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318372420025 + 84142925476 = 564245^2 + 290074^2 .

It is a cyclic number.

It is not a de Polignac number, because 402515345501 - 2¹⁰ = 402515344477 is a prime.

Together with 402515345503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402515345503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201257672750 + 201257672751.

It is an arithmetic number, because the mean of its divisors is an integer number (201257672751).

Almost surely, 2^402515345501 is an apocalyptic number.

It is an amenable number.

402515345501 is a deficient number, since it is larger than the sum of its proper divisors (1).

402515345501 is an equidigital number, since it uses as much as digits as its factorization.

402515345501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 402515345501 in words is "four hundred two billion, five hundred fifteen million, three hundred forty-five thousand, five hundred one".