1025452402 has 16 divisors (see below), whose sum is σ = 1658809152. Its totient is φ = 472626000.

The previous prime is 1025452399. The next prime is 1025452459. The reversal of 1025452402 is 2042545201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8224 + ... + 46027.

It is an arithmetic number, because the mean of its divisors is an integer number (103675572).

Almost surely, 2^1025452402 is an apocalyptic number.

1025452402 is a deficient number, since it is larger than the sum of its proper divisors (633356750).

1025452402 is a wasteful number, since it uses less digits than its factorization.

1025452402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54993.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1025452402 is about 32022.6857399563. The cubic root of 1025452402 is about 1008.4131543365.

Adding to 1025452402 its reverse (2042545201), we get a palindrome (3067997603).

The spelling of 1025452402 in words is "one billion, twenty-five million, four hundred fifty-two thousand, four hundred two".