1402535625 has 20 divisors (see below), whose sum is σ = 2336814480. Its totient is φ = 748018000.

The previous prime is 1402535611. The next prime is 1402535627. The reversal of 1402535625 is 5265352041.

It is not a de Polignac number, because 1402535625 - 2¹¹ = 1402533577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402535627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 372135 + ... + 375884.

It is an arithmetic number, because the mean of its divisors is an integer number (116840724).

Almost surely, 2^1402535625 is an apocalyptic number.

1402535625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1402535625 is a deficient number, since it is larger than the sum of its proper divisors (934278855).

1402535625 is an frugal number, since it uses more digits than its factorization.

1402535625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748042 (or 748027 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 1402535625 is about 37450.4422537305. The cubic root of 1402535625 is about 1119.3639099080.

Adding to 1402535625 its reverse (5265352041), we get a palindrome (6667887666).

The spelling of 1402535625 in words is "one billion, four hundred two million, five hundred thirty-five thousand, six hundred twenty-five".