1351604525 has 12 divisors (see below), whose sum is σ = 1676490912. Its totient is φ = 1080960240.

The previous prime is 1351604491. The next prime is 1351604531. The reversal of 1351604525 is 5254061531.

It is not a de Polignac number, because 1351604525 - 2¹² = 1351600429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1351604491 and 1351604500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112352 + ... + 123798.

It is an arithmetic number, because the mean of its divisors is an integer number (139707576).

Almost surely, 2^1351604525 is an apocalyptic number.

It is an amenable number.

1351604525 is a deficient number, since it is larger than the sum of its proper divisors (324886387).

1351604525 is a wasteful number, since it uses less digits than its factorization.

1351604525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16180 (or 16175 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 1351604525 is about 36764.1744773359. The cubic root of 1351604525 is about 1105.6471370235.

The spelling of 1351604525 in words is "one billion, three hundred fifty-one million, six hundred four thousand, five hundred twenty-five".