1402542325 has 12 divisors (see below), whose sum is σ = 1742226660. Its totient is φ = 1120050560.

The previous prime is 1402542311. The next prime is 1402542329. The reversal of 1402542325 is 5232452041.

It can be written as a sum of positive squares in 6 ways, for example, as 5726449 + 1396815876 = 2393^2 + 37374^2 .

It is not a de Polignac number, because 1402542325 - 2⁵ = 1402542293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1402542293 and 1402542302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402542329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35074 + ... + 63523.

It is an arithmetic number, because the mean of its divisors is an integer number (145185555).

Almost surely, 2^1402542325 is an apocalyptic number.

It is an amenable number.

1402542325 is a deficient number, since it is larger than the sum of its proper divisors (339684335).

1402542325 is an equidigital number, since it uses as much as digits as its factorization.

1402542325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99176 (or 99171 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1402542325 is about 37450.5317051708. The cubic root of 1402542325 is about 1119.3656923288.

Adding to 1402542325 its reverse (5232452041), we get a palindrome (6634994366).

The spelling of 1402542325 in words is "one billion, four hundred two million, five hundred forty-two thousand, three hundred twenty-five".