1531622053 has 16 divisors (see below), whose sum is σ = 1792268800. Its totient is φ = 1296181440.

The previous prime is 1531622033. The next prime is 1531622069. The reversal of 1531622053 is 3502261351.

It is a cyclic number.

It is not a de Polignac number, because 1531622053 - 2¹⁷ = 1531490981 is a prime.

It is a super-2 number, since 2×1531622053² = 4691732226471869618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531622023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92358 + ... + 107671.

It is an arithmetic number, because the mean of its divisors is an integer number (112016800).

Almost surely, 2^1531622053 is an apocalyptic number.

1531622053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1531622053 is a deficient number, since it is larger than the sum of its proper divisors (260646747).

1531622053 is a wasteful number, since it uses less digits than its factorization.

1531622053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200092.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1531622053 is about 39135.9432363652. The cubic root of 1531622053 is about 1152.7024165654.

The spelling of 1531622053 in words is "one billion, five hundred thirty-one million, six hundred twenty-two thousand, fifty-three".