1425544461 has 64 divisors (see below), whose sum is σ = 2373580800. Its totient is φ = 838252800.

The previous prime is 1425544459. The next prime is 1425544481. The reversal of 1425544461 is 1644455241.

1425544461 is a `hidden beast` number, since 1 + 4 + 2 + 554 + 44 + 61 = 666.

It is not a de Polignac number, because 1425544461 - 2¹ = 1425544459 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425544481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1412325 + ... + 1413333.

It is an arithmetic number, because the mean of its divisors is an integer number (37087200).

Almost surely, 2^1425544461 is an apocalyptic number.

1425544461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1425544461 is a deficient number, since it is larger than the sum of its proper divisors (948036339).

1425544461 is a wasteful number, since it uses less digits than its factorization.

1425544461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1161 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 1425544461 is about 37756.3830497573. The cubic root of 1425544461 is about 1125.4518575977.

The spelling of 1425544461 in words is "one billion, four hundred twenty-five million, five hundred forty-four thousand, four hundred sixty-one".