1502415401 has 2 divisors, whose sum is σ = 1502415402. Its totient is φ = 1502415400.

The previous prime is 1502415391. The next prime is 1502415413. The reversal of 1502415401 is 1045142051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1179853801 + 322561600 = 34349^2 + 17960^2 .

It is an emirp because it is prime and its reverse (1045142051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1502415401 - 2¹⁰ = 1502414377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1502415491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 751207700 + 751207701.

It is an arithmetic number, because the mean of its divisors is an integer number (751207701).

Almost surely, 2^1502415401 is an apocalyptic number.

It is an amenable number.

1502415401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1502415401 is an equidigital number, since it uses as much as digits as its factorization.

1502415401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1502415401 is about 38761.0036118778. The cubic root of 1502415401 is about 1145.3283450317.

Adding to 1502415401 its reverse (1045142051), we get a palindrome (2547557452).

The spelling of 1502415401 in words is "one billion, five hundred two million, four hundred fifteen thousand, four hundred one".