1420254525 has 24 divisors (see below), whose sum is σ = 2402767840. Its totient is φ = 739851840.

The previous prime is 1420254523. The next prime is 1420254527. The reversal of 1420254525 is 5254520241.

It is an interprime number because it is at equal distance from previous prime (1420254523) and next prime (1420254527).

It is not a de Polignac number, because 1420254525 - 2¹ = 1420254523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420254492 and 1420254501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420254523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216970 + ... + 223419.

Almost surely, 2^1420254525 is an apocalyptic number.

1420254525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420254525 is a deficient number, since it is larger than the sum of its proper divisors (982513315).

1420254525 is a wasteful number, since it uses less digits than its factorization.

1420254525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440445 (or 440440 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1420254525 is about 37686.2644076061. The cubic root of 1420254525 is about 1124.0580164179.

Adding to 1420254525 its reverse (5254520241), we get a palindrome (6674774766).

The spelling of 1420254525 in words is "one billion, four hundred twenty million, two hundred fifty-four thousand, five hundred twenty-five".