1631052 has 18 divisors (see below), whose sum is σ = 4123028. Its totient is φ = 543672.

The previous prime is 1631051. The next prime is 1631053. The reversal of 1631052 is 2501361.

It is an interprime number because it is at equal distance from previous prime (1631051) and next prime (1631053).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1631051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22618 + ... + 22689.

2^1631052 is an apocalyptic number.

1631052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1631052 is an abundant number, since it is smaller than the sum of its proper divisors (2491976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1631052 is a wasteful number, since it uses less digits than its factorization.

1631052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45317 (or 45312 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1631052 is about 1277.1264620232. The cubic root of 1631052 is about 117.7125051349.

The spelling of 1631052 in words is "one million, six hundred thirty-one thousand, fifty-two".