1495873481 has 4 divisors (see below), whose sum is σ = 1536302532. Its totient is φ = 1455444432.

The previous prime is 1495873459. The next prime is 1495873487. The reversal of 1495873481 is 1843785941.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1414963456 + 80910025 = 37616^2 + 8995^2 .

It is not a de Polignac number, because 1495873481 - 2⁶ = 1495873417 is a prime.

It is a super-2 number, since 2×1495873481² = 4475274942318114722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1495873487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20214470 + ... + 20214543.

It is an arithmetic number, because the mean of its divisors is an integer number (384075633).

Almost surely, 2^1495873481 is an apocalyptic number.

It is an amenable number.

1495873481 is a deficient number, since it is larger than the sum of its proper divisors (40429051).

1495873481 is an equidigital number, since it uses as much as digits as its factorization.

1495873481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40429050.

The product of its digits is 967680, while the sum is 50.

The square root of 1495873481 is about 38676.5236416098. The cubic root of 1495873481 is about 1143.6635706993.

The spelling of 1495873481 in words is "one billion, four hundred ninety-five million, eight hundred seventy-three thousand, four hundred eighty-one".