1005545534 has 16 divisors (see below), whose sum is σ = 1740530688. Its totient is φ = 426763512.

The previous prime is 1005545509. The next prime is 1005545537. The reversal of 1005545534 is 4355455001.

It is a super-2 number, since 2×1005545534² = 2022243641894690312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1005545534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005545537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347222 + ... + 350105.

It is an arithmetic number, because the mean of its divisors is an integer number (108783168).

Almost surely, 2^1005545534 is an apocalyptic number.

1005545534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1005545534 is a deficient number, since it is larger than the sum of its proper divisors (734985154).

1005545534 is a wasteful number, since it uses less digits than its factorization.

1005545534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697439.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1005545534 is about 31710.3379672939. The cubic root of 1005545534 is about 1001.8451048277.

The spelling of 1005545534 in words is "one billion, five million, five hundred forty-five thousand, five hundred thirty-four".