267990051 has 16 divisors (see below), whose sum is σ = 410971904. Its totient is φ = 152159904.

The previous prime is 267990013. The next prime is 267990103. The reversal of 267990051 is 150099762.

It is not a de Polignac number, because 267990051 - 2⁶ = 267989987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 267989991 and 267990009.

It is not an unprimeable number, because it can be changed into a prime (267990011) 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, 37345 + ... + 43938.

It is an arithmetic number, because the mean of its divisors is an integer number (25685744).

Almost surely, 2^267990051 is an apocalyptic number.

267990051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

267990051 is a deficient number, since it is larger than the sum of its proper divisors (142981853).

267990051 is a wasteful number, since it uses less digits than its factorization.

267990051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81450.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 267990051 is about 16370.4016749743. The cubic root of 267990051 is about 644.7225944881.

The spelling of 267990051 in words is "two hundred sixty-seven million, nine hundred ninety thousand, fifty-one".