1402616425 has 18 divisors (see below), whose sum is σ = 2023204398. Its totient is φ = 961793280.

The previous prime is 1402616401. The next prime is 1402616443. The reversal of 1402616425 is 5246162041.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 176145984 + 1226470441 = 13272^2 + 35021^2 .

It is not a de Polignac number, because 1402616425 - 2⁵ = 1402616393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 571272 + ... + 573721.

Almost surely, 2^1402616425 is an apocalyptic number.

It is an amenable number.

1402616425 is a deficient number, since it is larger than the sum of its proper divisors (620587973).

1402616425 is a wasteful number, since it uses less digits than its factorization.

1402616425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145017 (or 1145005 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1402616425 is about 37451.5209971504. The cubic root of 1402616425 is about 1119.3854049929.

Adding to 1402616425 its reverse (5246162041), we get a palindrome (6648778466).

It can be divided in two parts, 1402616 and 425, that added together give a palindrome (1403041).

The spelling of 1402616425 in words is "one billion, four hundred two million, six hundred sixteen thousand, four hundred twenty-five".