1525401412 has 6 divisors (see below), whose sum is σ = 2669452478. Its totient is φ = 762700704.

The previous prime is 1525401391. The next prime is 1525401439. The reversal of 1525401412 is 2141045251.

It can be written as a sum of positive squares in only one way, i.e., 1525371136 + 30276 = 39056^2 + 174^2 .

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 as a sum of consecutive naturals, namely, 190675173 + ... + 190675180.

Almost surely, 2^1525401412 is an apocalyptic number.

It is an amenable number.

1525401412 is a deficient number, since it is larger than the sum of its proper divisors (1144051066).

1525401412 is a wasteful number, since it uses less digits than its factorization.

1525401412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381350357 (or 381350355 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1525401412 is about 39056.3875953729. The cubic root of 1525401412 is about 1151.1397426399.

Adding to 1525401412 its reverse (2141045251), we get a palindrome (3666446663).

The spelling of 1525401412 in words is "one billion, five hundred twenty-five million, four hundred one thousand, four hundred twelve".