1354903425 has 72 divisors (see below), whose sum is σ = 2502136728. Its totient is φ = 700416000.

The previous prime is 1354903423. The next prime is 1354903439. The reversal of 1354903425 is 5243094531.

1354903425 is a `hidden beast` number, since 135 + 490 + 34 + 2 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 1270851201 + 84052224 = 35649^2 + 9168^2 .

It is not a de Polignac number, because 1354903425 - 2¹ = 1354903423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1354903425.

It is not an unprimeable number, because it can be changed into a prime (1354903423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1780045 + ... + 1780805.

It is an arithmetic number, because the mean of its divisors is an integer number (34751899).

Almost surely, 2^1354903425 is an apocalyptic number.

1354903425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1354903425 is a deficient number, since it is larger than the sum of its proper divisors (1147233303).

1354903425 is a wasteful number, since it uses less digits than its factorization.

1354903425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 1354903425 is about 36809.0128229487. The cubic root of 1354903425 is about 1106.5459344248.

Adding to 1354903425 its reverse (5243094531), we get a palindrome (6597997956).

The spelling of 1354903425 in words is "one billion, three hundred fifty-four million, nine hundred three thousand, four hundred twenty-five".