1420403525 has 48 divisors (see below), whose sum is σ = 1879701120. Its totient is φ = 1062547200.

The previous prime is 1420403521. The next prime is 1420403527. The reversal of 1420403525 is 5253040241.

It is a happy number.

It is not a de Polignac number, because 1420403525 - 2² = 1420403521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420403494 and 1420403503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420403521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8210339 + ... + 8210511.

It is an arithmetic number, because the mean of its divisors is an integer number (39160440).

Almost surely, 2^1420403525 is an apocalyptic number.

It is an amenable number.

1420403525 is a deficient number, since it is larger than the sum of its proper divisors (459297595).

1420403525 is a wasteful number, since it uses less digits than its factorization.

1420403525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1420403525 is about 37688.2412033249. The cubic root of 1420403525 is about 1124.0973236418.

Adding to 1420403525 its reverse (5253040241), we get a palindrome (6673443766).

The spelling of 1420403525 in words is "one billion, four hundred twenty million, four hundred three thousand, five hundred twenty-five".