1651513485 has 32 divisors (see below), whose sum is σ = 2692956672. Its totient is φ = 864072000.

The previous prime is 1651513483. The next prime is 1651513511. The reversal of 1651513485 is 5843151561.

It is a happy number.

It is not a de Polignac number, because 1651513485 - 2¹ = 1651513483 is a prime.

It is a super-2 number, since 2×1651513485² = 5454993582273690450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1651513483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248982 + ... + 255528.

It is an arithmetic number, because the mean of its divisors is an integer number (84154896).

Almost surely, 2^1651513485 is an apocalyptic number.

1651513485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1651513485 is a deficient number, since it is larger than the sum of its proper divisors (1041443187).

1651513485 is a wasteful number, since it uses less digits than its factorization.

1651513485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873.

The product of its digits is 72000, while the sum is 39.

The square root of 1651513485 is about 40638.8174655710. The cubic root of 1651513485 is about 1182.0269397292.

The spelling of 1651513485 in words is "one billion, six hundred fifty-one million, five hundred thirteen thousand, four hundred eighty-five".